202222212100201 has 4 divisors (see below), whose sum is σ = 202223431375492. Its totient is φ = 202220992824912.

The previous prime is 202222212100157. The next prime is 202222212100231. The reversal of 202222212100201 is 102001212222202.

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 184988588304601 + 17233623795600 = 13601051^2 + 4151340^2 .

It is a cyclic number.

It is not a de Polignac number, because 202222212100201 - 2⁹ = 202222212099689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222212100231) 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, 609388830 + ... + 609720583.

It is an arithmetic number, because the mean of its divisors is an integer number (50555857843873).

Almost surely, 2^{202222212100201} is an apocalyptic number.

It is an amenable number.

202222212100201 is a deficient number, since it is larger than the sum of its proper divisors (1219275291).

202222212100201 is a wasteful number, since it uses less digits than its factorization.

202222212100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219275290.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202222212100201 its reverse (102001212222202), we get a palindrome (304223424322403).

The spelling of 202222212100201 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred thousand, two hundred one".