213122022201 has 12 divisors (see below), whose sum is σ = 335828641200. Its totient is φ = 129164861880.

The previous prime is 213122022173. The next prime is 213122022209. The reversal of 213122022201 is 102220221312.

It is not a de Polignac number, because 213122022201 - 2⁹ = 213122021689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213122022209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1076373751 + ... + 1076373948.

It is an arithmetic number, because the mean of its divisors is an integer number (27985720100).

Almost surely, 2^213122022201 is an apocalyptic number.

It is an amenable number.

213122022201 is a deficient number, since it is larger than the sum of its proper divisors (122706618999).

213122022201 is a wasteful number, since it uses less digits than its factorization.

213122022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152747716 (or 2152747713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 213122022201 its reverse (102220221312), we get a palindrome (315342243513).

The spelling of 213122022201 in words is "two hundred thirteen billion, one hundred twenty-two million, twenty-two thousand, two hundred one".