22101200001 has 20 divisors (see below), whose sum is σ = 33034355200. Its totient is φ = 14725661976.

The previous prime is 22101199987. The next prime is 22101200039. The reversal of 22101200001 is 10000210122.

It is not a de Polignac number, because 22101200001 - 2¹⁵ = 22101167233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101200201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64920 + ... + 220038.

It is an arithmetic number, because the mean of its divisors is an integer number (1651717760).

Almost surely, 2^22101200001 is an apocalyptic number.

It is an amenable number.

22101200001 is a deficient number, since it is larger than the sum of its proper divisors (10933155199).

22101200001 is a wasteful number, since it uses less digits than its factorization.

22101200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156890 (or 156881 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22101200001 its reverse (10000210122), we get a palindrome (32101410123).

The spelling of 22101200001 in words is "twenty-two billion, one hundred one million, two hundred thousand, one".