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101220112002222 = 23217372434487761
BaseRepresentation
bin10111000000111100100100…
…110100011110110010101110
3111021101112210122022012200100
4113000330210310132302232
5101231342242133032342
6555135513313211530
730214624510063263
oct2700744464366256
9437345718265610
10101220112002222
112a285232471204
12b429176860ba6
134463028392085
141add11845926a
15ba7e79e9be4c
hex5c0f24d1ecae

101220112002222 has 48 divisors (see below), whose sum is σ = 220608435039408. Its totient is φ = 33540369373440.

The previous prime is 101220112002181. The next prime is 101220112002277. The reversal of 101220112002222 is 222200211022101.

It is a happy number.

101220112002222 is a `hidden beast` number, since 10 + 1 + 220 + 11 + 200 + 2 + 222 = 666.

It is a super-2 number, since 2×1012201120022222 (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 junction number, because it is equal to n+sod(n) for n = 101220112002195 and 101220112002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20310822 + ... + 24798582.

It is an arithmetic number, because the mean of its divisors is an integer number (4596009063321).

Almost surely, 2101220112002222 is an apocalyptic number.

101220112002222 is an abundant number, since it is smaller than the sum of its proper divisors (119388323037186).

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

101220112002222 is a wasteful number, since it uses less digits than its factorization.

101220112002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495185 (or 4495182 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101220112002222 its reverse (222200211022101), we get a palindrome (323420323024323).

The spelling of 101220112002222 in words is "one hundred one trillion, two hundred twenty billion, one hundred twelve million, two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 173 346 519 1038 1557 3114 7243 14486 21729 43458 65187 130374 1253039 2506078 3759117 4487761 7518234 8975522 11277351 13463283 22554702 26926566 40389849 80779698 776382653 1552765306 2329147959 4658295918 6987443877 13974887754 32504852923 65009705846 97514558769 195029117538 292543676307 585087352614 5623339555679 11246679111358 16870018667037 33740037334074 50610056001111 101220112002222