22102012122001 has 16 divisors (see below), whose sum is σ = 26545435421824. Its totient is φ = 18003901757184.

The previous prime is 22102012121869. The next prime is 22102012122007. The reversal of 22102012122001 is 10022121020122.

It is a happy number.

It is not a de Polignac number, because 22102012122001 - 2²⁵ = 22101978567569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102012122007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992267400 + ... + 992289673.

It is an arithmetic number, because the mean of its divisors is an integer number (1659089713864).

Almost surely, 2^{22102012122001} is an apocalyptic number.

It is an amenable number.

22102012122001 is a deficient number, since it is larger than the sum of its proper divisors (4443423299823).

22102012122001 is a wasteful number, since it uses less digits than its factorization.

22102012122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984557160.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22102012122001 its reverse (10022121020122), we get a palindrome (32124133142123).

The spelling of 22102012122001 in words is "twenty-two trillion, one hundred two billion, twelve million, one hundred twenty-two thousand, one".