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220211102102112 = 25321169511080209
BaseRepresentation
bin110010000100011111100100…
…100001000011001001100000
31001212200222100022221110201200
4302010133210201003021200
5212330414314114231422
62100203330030201200
764245504252525162
oct6204374441031140
91055628308843650
10220211102102112
1164191005277190
1220846478653200
1395b4a829b7974
143c543ba610932
151a6d2e1da62ac
hexc847e4843260

220211102102112 has 72 divisors (see below), whose sum is σ = 683154896303880. Its totient is φ = 66730636999680.

The previous prime is 220211102102111. The next prime is 220211102102197. The reversal of 220211102102112 is 211201201112022.

220211102102112 is a `hidden beast` number, since 2 + 20 + 211 + 10 + 210 + 211 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2202111021021122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211102102111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34755536937 + ... + 34755543272.

It is an arithmetic number, because the mean of its divisors is an integer number (9488262448665).

Almost surely, 2220211102102112 is an apocalyptic number.

220211102102112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220211102102112 is an abundant number, since it is smaller than the sum of its proper divisors (462943794201768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220211102102112 is a wasteful number, since it uses less digits than its factorization.

220211102102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69511080236 (or 69511080225 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220211102102112 its reverse (211201201112022), we get a palindrome (431412303214134).

The spelling of 220211102102112 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred two million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 69511080209 139022160418 208533240627 278044320836 417066481254 556088641672 625599721881 764621882299 834132962508 1112177283344 1251199443762 1529243764598 1668265925016 2224354566688 2293865646897 2502398887524 3058487529196 3336531850032 4587731293794 5004797775048 6116975058392 6673063700064 6881596940691 9175462587588 10009595550096 12233950116784 13763193881382 18350925175176 20019191100192 24467900233568 27526387762764 36701850350352 55052775525528 73403700700704 110105551051056 220211102102112