22100001122201 has 4 divisors (see below), whose sum is σ = 22102243193652. Its totient is φ = 22097759050752.

The previous prime is 22100001122183. The next prime is 22100001122281. The reversal of 22100001122201 is 10222110000122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6976465690000 + 15123535432201 = 2641300^2 + 3888899^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100001122201 - 2⁶ = 22100001122137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100001122281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121020940 + ... + 1121040653.

It is an arithmetic number, because the mean of its divisors is an integer number (5525560798413).

Almost surely, 2^{22100001122201} is an apocalyptic number.

It is an amenable number.

22100001122201 is a deficient number, since it is larger than the sum of its proper divisors (2242071451).

22100001122201 is an equidigital number, since it uses as much as digits as its factorization.

22100001122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242071450.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100001122201 its reverse (10222110000122), we get a palindrome (32322111122323).

The spelling of 22100001122201 in words is "twenty-two trillion, one hundred billion, one million, one hundred twenty-two thousand, two hundred one".