121013231023102 has 32 divisors (see below), whose sum is σ = 198576750873600. Its totient is φ = 54851825047200.

The previous prime is 121013231023079. The next prime is 121013231023103. The reversal of 121013231023102 is 201320132310121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013231023103) 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, 636712827 + ... + 636902857.

It is an arithmetic number, because the mean of its divisors is an integer number (6205523464800).

Almost surely, 2^{121013231023102} is an apocalyptic number.

121013231023102 is a deficient number, since it is larger than the sum of its proper divisors (77563519850498).

121013231023102 is a wasteful number, since it uses less digits than its factorization.

121013231023102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271032.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121013231023102 its reverse (201320132310121), we get a palindrome (322333363333223).

The spelling of 121013231023102 in words is "one hundred twenty-one trillion, thirteen billion, two hundred thirty-one million, twenty-three thousand, one hundred two".