202131122001 has 8 divisors (see below), whose sum is σ = 270151381920. Its totient is φ = 134432471712.

The previous prime is 202131121999. The next prime is 202131122003. The reversal of 202131122001 is 100221131202.

It is an interprime number because it is at equal distance from previous prime (202131121999) and next prime (202131122003).

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

It is not a de Polignac number, because 202131122001 - 2¹ = 202131121999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202131122003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80400940 + ... + 80403453.

It is an arithmetic number, because the mean of its divisors is an integer number (33768922740).

Almost surely, 2^202131122001 is an apocalyptic number.

It is an amenable number.

202131122001 is a deficient number, since it is larger than the sum of its proper divisors (68020259919).

202131122001 is a wasteful number, since it uses less digits than its factorization.

202131122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160804815.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202131122001 its reverse (100221131202), we get a palindrome (302352253203).

The spelling of 202131122001 in words is "two hundred two billion, one hundred thirty-one million, one hundred twenty-two thousand, one".