111010021110120 has 128 divisors (see below), whose sum is σ = 363330024906240. Its totient is φ = 26909705360640.

The previous prime is 111010021110071. The next prime is 111010021110127. The reversal of 111010021110120 is 21011120010111.

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 = 111010021110096 and 111010021110105.

It is not an unprimeable number, because it can be changed into a prime (111010021110127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16796079 + ... + 22452801.

It is an arithmetic number, because the mean of its divisors is an integer number (2838515819580).

Almost surely, 2^{111010021110120} is an apocalyptic number.

111010021110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010021110120 is an abundant number, since it is smaller than the sum of its proper divisors (252320003796120).

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

111010021110120 is a wasteful number, since it uses less digits than its factorization.

111010021110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671615 (or 5671611 counting only the distinct ones).

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

Adding to 111010021110120 its reverse (21011120010111), we get a palindrome (132021141120231).

The spelling of 111010021110120 in words is "one hundred eleven trillion, ten billion, twenty-one million, one hundred ten thousand, one hundred twenty".