111013232121 has 12 divisors (see below), whose sum is σ = 174929941680. Its totient is φ = 67280746680.

The previous prime is 111013232089. The next prime is 111013232153. The reversal of 111013232121 is 121232310111.

It is an interprime number because it is at equal distance from previous prime (111013232089) and next prime (111013232153).

It is not a de Polignac number, because 111013232121 - 2⁵ = 111013232089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111013232094 and 111013232103.

It is not an unprimeable number, because it can be changed into a prime (111013232821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560672791 + ... + 560672988.

It is an arithmetic number, because the mean of its divisors is an integer number (14577495140).

Almost surely, 2^111013232121 is an apocalyptic number.

111013232121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111013232121 is a deficient number, since it is larger than the sum of its proper divisors (63916709559).

111013232121 is a wasteful number, since it uses less digits than its factorization.

111013232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121345796 (or 1121345793 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111013232121 its reverse (121232310111), we get a palindrome (232245542232).

It can be divided in two parts, 1110 and 13232121, that added together give a palindrome (13233231).

The spelling of 111013232121 in words is "one hundred eleven billion, thirteen million, two hundred thirty-two thousand, one hundred twenty-one".