22100012222201 has 32 divisors (see below), whose sum is σ = 24175785553920. Its totient is φ = 20111608857600.

The previous prime is 22100012222177. The next prime is 22100012222203. The reversal of 22100012222201 is 10222221000122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22100012222201 - 2²² = 22100008027897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100012222201.

It is not an unprimeable number, because it can be changed into a prime (22100012222203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5820385835 + ... + 5820389631.

It is an arithmetic number, because the mean of its divisors is an integer number (755493298560).

Almost surely, 2^{22100012222201} is an apocalyptic number.

It is an amenable number.

22100012222201 is a deficient number, since it is larger than the sum of its proper divisors (2075773331719).

22100012222201 is a wasteful number, since it uses less digits than its factorization.

22100012222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505.

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

Adding to 22100012222201 its reverse (10222221000122), we get a palindrome (32322233222323).

The spelling of 22100012222201 in words is "twenty-two trillion, one hundred billion, twelve million, two hundred twenty-two thousand, two hundred one".