22020200021121 has 16 divisors (see below), whose sum is σ = 29417765255424. Its totient is φ = 14651405285264.

The previous prime is 22020200021119. The next prime is 22020200021147. The reversal of 22020200021121 is 12112000202022.

It is a cyclic number.

It is not a de Polignac number, because 22020200021121 - 2¹ = 22020200021119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22020200021121.

It is not an unprimeable number, because it can be changed into a prime (22020200021101) 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, 1502410 + ... + 6804236.

It is an arithmetic number, because the mean of its divisors is an integer number (1838610328464).

Almost surely, 2^{22020200021121} is an apocalyptic number.

It is an amenable number.

22020200021121 is a deficient number, since it is larger than the sum of its proper divisors (7397565234303).

22020200021121 is a wasteful number, since it uses less digits than its factorization.

22020200021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304540.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020200021121 its reverse (12112000202022), we get a palindrome (34132200223143).

The spelling of 22020200021121 in words is "twenty-two trillion, twenty billion, two hundred million, twenty-one thousand, one hundred twenty-one".