22100222021101 has 16 divisors (see below), whose sum is σ = 25279218111744. Its totient is φ = 18926684993664.

The previous prime is 22100222021063. The next prime is 22100222021167. The reversal of 22100222021101 is 10112022200122.

It is a happy number.

It is not a de Polignac number, because 22100222021101 - 2²⁵ = 22100188466669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100222021191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74039511 + ... + 74337403.

It is an arithmetic number, because the mean of its divisors is an integer number (1579951131984).

Almost surely, 2^{22100222021101} is an apocalyptic number.

It is an amenable number.

22100222021101 is a deficient number, since it is larger than the sum of its proper divisors (3178996090643).

22100222021101 is a wasteful number, since it uses less digits than its factorization.

22100222021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307020.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100222021101 its reverse (10112022200122), we get a palindrome (32212244221223).

The spelling of 22100222021101 in words is "twenty-two trillion, one hundred billion, two hundred twenty-two million, twenty-one thousand, one hundred one".