111010221002120 has 64 divisors (see below), whose sum is σ = 272884507251840. Its totient is φ = 40307371776000.

The previous prime is 111010221002117. The next prime is 111010221002143. The reversal of 111010221002120 is 21200122010111.

It is a junction number, because it is equal to n+sod(n) for n = 111010221002095 and 111010221002104.

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, 187145156 + ... + 187737395.

It is an arithmetic number, because the mean of its divisors is an integer number (4263820425810).

Almost surely, 2^{111010221002120} is an apocalyptic number.

111010221002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010221002120 is an abundant number, since it is smaller than the sum of its proper divisors (161874286249720).

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

111010221002120 is a wasteful number, since it uses less digits than its factorization.

111010221002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374883246 (or 374883242 counting only the distinct ones).

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

Adding to 111010221002120 its reverse (21200122010111), we get a palindrome (132210343012231).

The spelling of 111010221002120 in words is "one hundred eleven trillion, ten billion, two hundred twenty-one million, two thousand, one hundred twenty".