22212211211201 has 12 divisors (see below), whose sum is σ = 24415392118656. Its totient is φ = 20192657114520.

The previous prime is 22212211211153. The next prime is 22212211211249. The reversal of 22212211211201 is 10211211221222.

It is an interprime number because it is at equal distance from previous prime (22212211211153) and next prime (22212211211249).

It is not a de Polignac number, because 22212211211201 - 2¹⁸ = 22212210949057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212211291201) 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, 8490296 + ... + 10793958.

It is an arithmetic number, because the mean of its divisors is an integer number (2034616009888).

Almost surely, 2^{22212211211201} is an apocalyptic number.

It is an amenable number.

22212211211201 is a deficient number, since it is larger than the sum of its proper divisors (2203180907455).

22212211211201 is a wasteful number, since it uses less digits than its factorization.

22212211211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383372 (or 2383361 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22212211211201 its reverse (10211211221222), we get a palindrome (32423422432423).

The spelling of 22212211211201 in words is "twenty-two trillion, two hundred twelve billion, two hundred eleven million, two hundred eleven thousand, two hundred one".