22220000012001 has 16 divisors (see below), whose sum is σ = 32352879006720. Its totient is φ = 13452967095120.

The previous prime is 22220000011999. The next prime is 22220000012003. The reversal of 22220000012001 is 10021000002222.

It is an interprime number because it is at equal distance from previous prime (22220000011999) and next prime (22220000012003).

It is not a de Polignac number, because 22220000012001 - 2¹ = 22220000011999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22220000012003) 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, 342456541 + ... + 342521418.

It is an arithmetic number, because the mean of its divisors is an integer number (2022054937920).

Almost surely, 2^{22220000012001} is an apocalyptic number.

It is an amenable number.

22220000012001 is a deficient number, since it is larger than the sum of its proper divisors (10132878994719).

22220000012001 is a wasteful number, since it uses less digits than its factorization.

22220000012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684978956.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22220000012001 its reverse (10021000002222), we get a palindrome (32241000014223).

The spelling of 22220000012001 in words is "twenty-two trillion, two hundred twenty billion, twelve thousand, one".