22021202012201 has 16 divisors (see below), whose sum is σ = 25664608268544. Its totient is φ = 18505272420864.

The previous prime is 22021202012153. The next prime is 22021202012209. The reversal of 22021202012201 is 10221020212022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22021202012201 - 2²⁶ = 22021134903337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22021202012201.

It is not an unprimeable number, because it can be changed into a prime (22021202012209) 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, 128939600 + ... + 129110273.

It is an arithmetic number, because the mean of its divisors is an integer number (1604038016784).

Almost surely, 2^{22021202012201} is an apocalyptic number.

It is an amenable number.

22021202012201 is a deficient number, since it is larger than the sum of its proper divisors (3643406256343).

22021202012201 is a wasteful number, since it uses less digits than its factorization.

22021202012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258050120.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22021202012201 its reverse (10221020212022), we get a palindrome (32242222224223).

The spelling of 22021202012201 in words is "twenty-two trillion, twenty-one billion, two hundred two million, twelve thousand, two hundred one".