202023031033121 has 4 divisors (see below), whose sum is σ = 203984419684032. Its totient is φ = 200061642382212.

The previous prime is 202023031033049. The next prime is 202023031033123. The reversal of 202023031033121 is 121330130320202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202023031033121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202023031033123) 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, 980694325301 + ... + 980694325506.

It is an arithmetic number, because the mean of its divisors is an integer number (50996104921008).

Almost surely, 2^{202023031033121} is an apocalyptic number.

It is an amenable number.

202023031033121 is a deficient number, since it is larger than the sum of its proper divisors (1961388650911).

202023031033121 is a wasteful number, since it uses less digits than its factorization.

202023031033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961388650910.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202023031033121 its reverse (121330130320202), we get a palindrome (323353161353323).

The spelling of 202023031033121 in words is "two hundred two trillion, twenty-three billion, thirty-one million, thirty-three thousand, one hundred twenty-one".