102203113233121 has 4 divisors (see below), whose sum is σ = 103351462820100. Its totient is φ = 101054763646144.

The previous prime is 102203113233101. The next prime is 102203113233127. The reversal of 102203113233121 is 121332311302201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49521283082496 + 52681830150625 = 7037136^2 + 7258225^2 .

It is a cyclic number.

It is not a de Polignac number, because 102203113233121 - 2²⁷ = 102202979015393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102203113233127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574174793356 + ... + 574174793533.

It is an arithmetic number, because the mean of its divisors is an integer number (25837865705025).

Almost surely, 2^{102203113233121} is an apocalyptic number.

It is an amenable number.

102203113233121 is a deficient number, since it is larger than the sum of its proper divisors (1148349586979).

102203113233121 is an equidigital number, since it uses as much as digits as its factorization.

102203113233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148349586978.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 102203113233121 its reverse (121332311302201), we get a palindrome (223535424535322).

The spelling of 102203113233121 in words is "one hundred two trillion, two hundred three billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-one".