22100100201 has 6 divisors (see below), whose sum is σ = 31922366970. Its totient is φ = 14733400128.

The previous prime is 22100100193. The next prime is 22100100247. The reversal of 22100100201 is 10200100122.

It can be written as a sum of positive squares in only one way, i.e., 20753283600 + 1346816601 = 144060^2 + 36699^2 .

It is not a de Polignac number, because 22100100201 - 2³ = 22100100193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2455566689 = 22100100201 / (2 + 2 + 1 + 0 + 0 + 1 + 0 + 0 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (22100100101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227783336 + ... + 1227783353.

It is an arithmetic number, because the mean of its divisors is an integer number (5320394495).

Almost surely, 2^22100100201 is an apocalyptic number.

It is an amenable number.

22100100201 is a deficient number, since it is larger than the sum of its proper divisors (9822266769).

22100100201 is a wasteful number, since it uses less digits than its factorization.

22100100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455566695 (or 2455566692 counting only the distinct ones).

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

Adding to 22100100201 its reverse (10200100122), we get a palindrome (32300200323).

The spelling of 22100100201 in words is "twenty-two billion, one hundred million, one hundred thousand, two hundred one".