22200121200001 has 16 divisors (see below), whose sum is σ = 24747721983360. Its totient is φ = 19790893036800.

The previous prime is 22200121199989. The next prime is 22200121200007. The reversal of 22200121200001 is 10000212100222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22200121200001 - 2¹¹ = 22200121197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22200121200007) 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, 4564525 + ... + 8076826.

It is an arithmetic number, because the mean of its divisors is an integer number (1546732623960).

Almost surely, 2^{22200121200001} is an apocalyptic number.

It is an amenable number.

22200121200001 is a deficient number, since it is larger than the sum of its proper divisors (2547600783359).

22200121200001 is a wasteful number, since it uses less digits than its factorization.

22200121200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12646824.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22200121200001 its reverse (10000212100222), we get a palindrome (32200333300223).

The spelling of 22200121200001 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, two hundred thousand, one".