202010131121 has 4 divisors (see below), whose sum is σ = 202229947200. Its totient is φ = 201790315044.

The previous prime is 202010131111. The next prime is 202010131123. The reversal of 202010131121 is 121131010202.

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 202010131121 - 2¹⁴ = 202010114737 is a prime.

It is a super-2 number, since 2×202010131121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202010131096 and 202010131105.

It is not an unprimeable number, because it can be changed into a prime (202010131123) 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, 109906661 + ... + 109908498.

It is an arithmetic number, because the mean of its divisors is an integer number (50557486800).

Almost surely, 2^202010131121 is an apocalyptic number.

It is an amenable number.

202010131121 is a deficient number, since it is larger than the sum of its proper divisors (219816079).

202010131121 is an equidigital number, since it uses as much as digits as its factorization.

202010131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219816078.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 202010131121 its reverse (121131010202), we get a palindrome (323141141323).

The spelling of 202010131121 in words is "two hundred two billion, ten million, one hundred thirty-one thousand, one hundred twenty-one".