22122222100201 has 12 divisors (see below), whose sum is σ = 23229580396288. Its totient is φ = 21065496619464.

The previous prime is 22122222100159. The next prime is 22122222100241. The reversal of 22122222100201 is 10200122222122.

It is not a de Polignac number, because 22122222100201 - 2¹⁵ = 22122222067433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122222100241) 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, 93646485 + ... + 93882418.

Almost surely, 2^{22122222100201} is an apocalyptic number.

It is an amenable number.

22122222100201 is a deficient number, since it is larger than the sum of its proper divisors (1107358296087).

22122222100201 is a wasteful number, since it uses less digits than its factorization.

22122222100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187529172 (or 187529149 counting only the distinct ones).

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

Adding to 22122222100201 its reverse (10200122222122), we get a palindrome (32322344322323).

The spelling of 22122222100201 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, two hundred one".