111022112120 has 32 divisors (see below), whose sum is σ = 253318065120. Its totient is φ = 43783367040.

The previous prime is 111022112107. The next prime is 111022112161. The reversal of 111022112120 is 21211220111.

It is a junction number, because it is equal to n+sod(n) for n = 111022112095 and 111022112104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543307 + ... + 19548986.

It is an arithmetic number, because the mean of its divisors is an integer number (7916189535).

Almost surely, 2^111022112120 is an apocalyptic number.

111022112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111022112120 is an abundant number, since it is smaller than the sum of its proper divisors (142295953000).

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

111022112120 is a wasteful number, since it uses less digits than its factorization.

111022112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39092375 (or 39092371 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111022112120 its reverse (21211220111), we get a palindrome (132233332231).

The spelling of 111022112120 in words is "one hundred eleven billion, twenty-two million, one hundred twelve thousand, one hundred twenty".