111220102212100 has 36 divisors (see below), whose sum is σ = 275825853487744. Its totient is φ = 38132606472480.

The previous prime is 111220102212097. The next prime is 111220102212187. The reversal of 111220102212100 is 1212201022111.

It is a super-2 number, since 2×111220102212100² (a number of 29 digits) contains 22 as substring.

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, 79442929452 + ... + 79442930851.

Almost surely, 2^{111220102212100} is an apocalyptic number.

111220102212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220102212100 is an abundant number, since it is smaller than the sum of its proper divisors (164605751275644).

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

111220102212100 is a wasteful number, since it uses less digits than its factorization.

111220102212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158885860324 (or 158885860317 counting only the distinct ones).

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

Adding to 111220102212100 its reverse (1212201022111), we get a palindrome (112432303234211).

The spelling of 111220102212100 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred two million, two hundred twelve thousand, one hundred".