222131213201 has 4 divisors (see below), whose sum is σ = 235197755172. Its totient is φ = 209064671232.

The previous prime is 222131213189. The next prime is 222131213207. The reversal of 222131213201 is 102312131222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83073074176 + 139058139025 = 288224^2 + 372905^2 .

It is a cyclic number.

It is not a de Polignac number, because 222131213201 - 2¹⁴ = 222131196817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222131213207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6533270960 + ... + 6533270993.

It is an arithmetic number, because the mean of its divisors is an integer number (58799438793).

Almost surely, 2^222131213201 is an apocalyptic number.

It is an amenable number.

222131213201 is a deficient number, since it is larger than the sum of its proper divisors (13066541971).

222131213201 is a wasteful number, since it uses less digits than its factorization.

222131213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13066541970.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222131213201 its reverse (102312131222), we get a palindrome (324443344423).

The spelling of 222131213201 in words is "two hundred twenty-two billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred one".