202110013302121 has 4 divisors (see below), whose sum is σ = 202422393539712. Its totient is φ = 201797633064532.

The previous prime is 202110013302061. The next prime is 202110013302133. The reversal of 202110013302121 is 121203310011202.

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 not a de Polignac number, because 202110013302121 - 2⁴¹ = 199910990046569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202110013302151) 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, 156190117825 + ... + 156190119118.

It is an arithmetic number, because the mean of its divisors is an integer number (50605598384928).

Almost surely, 2^{202110013302121} is an apocalyptic number.

It is an amenable number.

202110013302121 is a deficient number, since it is larger than the sum of its proper divisors (312380237591).

202110013302121 is an equidigital number, since it uses as much as digits as its factorization.

202110013302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312380237590.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 202110013302121 its reverse (121203310011202), we get a palindrome (323313323313323).

The spelling of 202110013302121 in words is "two hundred two trillion, one hundred ten billion, thirteen million, three hundred two thousand, one hundred twenty-one".