111011010012120 has 128 divisors (see below), whose sum is σ = 351374454144000. Its totient is φ = 27979817149440.

The previous prime is 111011010012059. The next prime is 111011010012131. The reversal of 111011010012120 is 21210010110111.

It is a super-2 number, since 2×111011010012120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111011010012096 and 111011010012105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55501125 + ... + 57466484.

It is an arithmetic number, because the mean of its divisors is an integer number (2745112923000).

Almost surely, 2^{111011010012120} is an apocalyptic number.

111011010012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011010012120 is an abundant number, since it is smaller than the sum of its proper divisors (240363444131880).

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

111011010012120 is a wasteful number, since it uses less digits than its factorization.

111011010012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112968073 (or 112968069 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111011010012120 its reverse (21210010110111), we get a palindrome (132221020122231).

The spelling of 111011010012120 in words is "one hundred eleven trillion, eleven billion, ten million, twelve thousand, one hundred twenty".