213224522961 has 16 divisors (see below), whose sum is σ = 291322116288. Its totient is φ = 138640416000.

The previous prime is 213224522941. The next prime is 213224522977. The reversal of 213224522961 is 169225422312.

It is not a de Polignac number, because 213224522961 - 2¹⁸ = 213224260817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213224522941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144661 + ... + 668861.

It is an arithmetic number, because the mean of its divisors is an integer number (18207632268).

Almost surely, 2^213224522961 is an apocalyptic number.

It is an amenable number.

213224522961 is a deficient number, since it is larger than the sum of its proper divisors (78097593327).

213224522961 is a wasteful number, since it uses less digits than its factorization.

213224522961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527552.

The product of its digits is 103680, while the sum is 39.

The spelling of 213224522961 in words is "two hundred thirteen billion, two hundred twenty-four million, five hundred twenty-two thousand, nine hundred sixty-one".