202102302121131 has 8 divisors (see below), whose sum is σ = 269716277553040. Its totient is φ = 134611597384992.

The previous prime is 202102302121123. The next prime is 202102302121133. The reversal of 202102302121131 is 131121203201202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202102302121131 - 2³ = 202102302121123 is a prime.

It is a super-2 number, since 2×202102302121131² (a number of 29 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 = 202102302121098 and 202102302121107.

It is not an unprimeable number, because it can be changed into a prime (202102302121133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30817670116 + ... + 30817676673.

It is an arithmetic number, because the mean of its divisors is an integer number (33714534694130).

Almost surely, 2^{202102302121131} is an apocalyptic number.

202102302121131 is a deficient number, since it is larger than the sum of its proper divisors (67613975431909).

202102302121131 is a wasteful number, since it uses less digits than its factorization.

202102302121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61635347885.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 202102302121131 its reverse (131121203201202), we get a palindrome (333223505322333).

The spelling of 202102302121131 in words is "two hundred two trillion, one hundred two billion, three hundred two million, one hundred twenty-one thousand, one hundred thirty-one".