121103003231 has 16 divisors (see below), whose sum is σ = 138624090624. Its totient is φ = 103637198304.

The previous prime is 121103003227. The next prime is 121103003257. The reversal of 121103003231 is 132300301121.

It is a cyclic number.

It is not a de Polignac number, because 121103003231 - 2² = 121103003227 is a prime.

It is a super-2 number, since 2×121103003231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103003261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24203576 + ... + 24208578.

It is an arithmetic number, because the mean of its divisors is an integer number (8664005664).

Almost surely, 2^121103003231 is an apocalyptic number.

121103003231 is a deficient number, since it is larger than the sum of its proper divisors (17521087393).

121103003231 is an equidigital number, since it uses as much as digits as its factorization.

121103003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121103003231 its reverse (132300301121), we get a palindrome (253403304352).

The spelling of 121103003231 in words is "one hundred twenty-one billion, one hundred three million, three thousand, two hundred thirty-one".