111220022011120 has 80 divisors (see below), whose sum is σ = 291194239518720. Its totient is φ = 39139010668800.

The previous prime is 111220022011093. The next prime is 111220022011159. The reversal of 111220022011120 is 21110220022111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111220022011094 and 111220022011103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038462860 + ... + 2038517419.

It is an arithmetic number, because the mean of its divisors is an integer number (3639927993984).

Almost surely, 2^{111220022011120} is an apocalyptic number.

111220022011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220022011120 is an abundant number, since it is smaller than the sum of its proper divisors (179974217507600).

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

111220022011120 is a wasteful number, since it uses less digits than its factorization.

111220022011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076980334 (or 4076980328 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111220022011120 its reverse (21110220022111), we get a palindrome (132330242033231).

The spelling of 111220022011120 in words is "one hundred eleven trillion, two hundred twenty billion, twenty-two million, eleven thousand, one hundred twenty".