222121300231201 has 4 divisors (see below), whose sum is σ = 253852914549952. Its totient is φ = 190389685912452.

The previous prime is 222121300231189. The next prime is 222121300231231. The reversal of 222121300231201 is 102132003121222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222121300231201 - 2⁷ = 222121300231073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121300231231) 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, 15865807159365 + ... + 15865807159378.

It is an arithmetic number, because the mean of its divisors is an integer number (63463228637488).

Almost surely, 2^{222121300231201} is an apocalyptic number.

It is an amenable number.

222121300231201 is a deficient number, since it is larger than the sum of its proper divisors (31731614318751).

222121300231201 is an equidigital number, since it uses as much as digits as its factorization.

222121300231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31731614318750.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 222121300231201 its reverse (102132003121222), we get a palindrome (324253303352423).

The spelling of 222121300231201 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, three hundred million, two hundred thirty-one thousand, two hundred one".