111230121120220 has 48 divisors (see below), whose sum is σ = 239282409342816. Its totient is φ = 43406513280000.

The previous prime is 111230121120211. The next prime is 111230121120317. The reversal of 111230121120220 is 22021121032111.

It is a super-2 number, since 2×111230121120220² (a number of 29 digits) contains 22 as substring.

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, 110791495 + ... + 111790945.

It is an arithmetic number, because the mean of its divisors is an integer number (4985050194642).

Almost surely, 2^{111230121120220} is an apocalyptic number.

111230121120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111230121120220 is an abundant number, since it is smaller than the sum of its proper divisors (128052288222596).

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

111230121120220 is a wasteful number, since it uses less digits than its factorization.

111230121120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135222 (or 1135220 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111230121120220 its reverse (22021121032111), we get a palindrome (133251242152331).

The spelling of 111230121120220 in words is "one hundred eleven trillion, two hundred thirty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty".