111012211102120 has 32 divisors (see below), whose sum is σ = 249784010771400. Its totient is φ = 44403722522368.

The previous prime is 111012211102081. The next prime is 111012211102157. The reversal of 111012211102120 is 21201112210111.

It can be written as a sum of positive squares in 4 ways, for example, as 107473154689476 + 3539056412644 = 10366926^2 + 1881238^2 .

It is a super-2 number, since 2×111012211102120² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111012211102094 and 111012211102103.

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, 34761355 + ... + 37820314.

Almost surely, 2^{111012211102120} is an apocalyptic number.

111012211102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012211102120 is an abundant number, since it is smaller than the sum of its proper divisors (138771799669280).

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

111012211102120 is a wasteful number, since it uses less digits than its factorization.

111012211102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72619917 (or 72619913 counting only the distinct ones).

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

Adding to 111012211102120 its reverse (21201112210111), we get a palindrome (132213323312231).

The spelling of 111012211102120 in words is "one hundred eleven trillion, twelve billion, two hundred eleven million, one hundred two thousand, one hundred twenty".