121232110113 has 12 divisors (see below), whose sum is σ = 175366476688. Its totient is φ = 80704439640.

The previous prime is 121232110067. The next prime is 121232110117. The reversal of 121232110113 is 311011232121.

It is not a de Polignac number, because 121232110113 - 2¹⁸ = 121231847969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121232110117) 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, 9740695 + ... + 9753132.

Almost surely, 2^121232110113 is an apocalyptic number.

It is an amenable number.

121232110113 is a deficient number, since it is larger than the sum of its proper divisors (54134366575).

121232110113 is a wasteful number, since it uses less digits than its factorization.

121232110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494524 (or 19494521 counting only the distinct ones).

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

Adding to 121232110113 its reverse (311011232121), we get a palindrome (432243342234).

The spelling of 121232110113 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred ten thousand, one hundred thirteen".