111120222012012 has 36 divisors (see below), whose sum is σ = 281980174299096. Its totient is φ = 36895949199360.

The previous prime is 111120222011999. The next prime is 111120222012043. The reversal of 111120222012012 is 210210222021111.

111120222012012 is a `hidden beast` number, since 1 + 111 + 202 + 220 + 120 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 6005190814 + ... + 6005209317.

Almost surely, 2^{111120222012012} is an apocalyptic number.

111120222012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111120222012012 is an abundant number, since it is smaller than the sum of its proper divisors (170859952287084).

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

111120222012012 is a wasteful number, since it uses less digits than its factorization.

111120222012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010400398 (or 12010400393 counting only the distinct ones).

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

Adding to 111120222012012 its reverse (210210222021111), we get a palindrome (321330444033123).

Subtracting 111120222012012 from its reverse (210210222021111), we obtain a palindrome (99090000009099).

The spelling of 111120222012012 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty-two million, twelve thousand, twelve".