213222131001 has 32 divisors (see below), whose sum is σ = 344704204800. Its totient is φ = 129186991440.

The previous prime is 213222130949. The next prime is 213222131093. The reversal of 213222131001 is 100131222312.

213222131001 is a `hidden beast` number, since 2 + 132 + 221 + 310 + 0 + 1 = 666.

It is not a de Polignac number, because 213222131001 - 2¹¹ = 213222128953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213222138001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906520 + ... + 1117238.

It is an arithmetic number, because the mean of its divisors is an integer number (10772006400).

Almost surely, 2^213222131001 is an apocalyptic number.

It is an amenable number.

213222131001 is a deficient number, since it is larger than the sum of its proper divisors (131482073799).

213222131001 is a wasteful number, since it uses less digits than its factorization.

213222131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214146 (or 214140 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213222131001 its reverse (100131222312), we get a palindrome (313353353313).

The spelling of 213222131001 in words is "two hundred thirteen billion, two hundred twenty-two million, one hundred thirty-one thousand, one".