121112021230 has 32 divisors (see below), whose sum is σ = 218676931200. Its totient is φ = 48294910752.

The previous prime is 121112021213. The next prime is 121112021269. The reversal of 121112021230 is 32120211121.

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, 6371881 + ... + 6390859.

It is an arithmetic number, because the mean of its divisors is an integer number (6833654100).

Almost surely, 2^121112021230 is an apocalyptic number.

121112021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112021230 is a deficient number, since it is larger than the sum of its proper divisors (97564909970).

121112021230 is a wasteful number, since it uses less digits than its factorization.

121112021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121112021230 its reverse (32120211121), we get a palindrome (153232232351).

The spelling of 121112021230 in words is "one hundred twenty-one billion, one hundred twelve million, twenty-one thousand, two hundred thirty".