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11112122002212 = 223371122915493767
BaseRepresentation
bin1010000110110011111000…
…0101011010101100100100
31110100022022212222112111000
42201230332011122230210
52424030111213032322
635344501031113300
72224552512366210
oct241547605325444
943308285875430
1011112122002212
1135a46961a5760
1212b572b212830
13627b3a44366a
142a5b884d1940
151440b9c133ac
hexa1b3e15ab24

11112122002212 has 384 divisors, whose sum is σ = 36107688960000. Its totient is φ = 2871044144640.

The previous prime is 11112122002183. The next prime is 11112122002231. The reversal of 11112122002212 is 21220022121111.

11112122002212 is a `hidden beast` number, since 111 + 121 + 220 + 0 + 2 + 212 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2949857953 + ... + 2949861719.

It is an arithmetic number, because the mean of its divisors is an integer number (94030440000).

Almost surely, 211112122002212 is an apocalyptic number.

11112122002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112122002212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18053844480000).

11112122002212 is an abundant number, since it is smaller than the sum of its proper divisors (24995566957788).

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

11112122002212 is a wasteful number, since it uses less digits than its factorization.

11112122002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576 (or 5568 counting only the distinct ones).

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

Adding to 11112122002212 its reverse (21220022121111), we get a palindrome (32332144123323).

It can be divided in two parts, 1111 and 2122002212, that multiplied together give a palindrome (2357544457532).

The spelling of 11112122002212 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-two million, two thousand, two hundred twelve".