22100202223121 has 16 divisors (see below), whose sum is σ = 26481623639040. Its totient is φ = 18206116243920.

The previous prime is 22100202223117. The next prime is 22100202223153. The reversal of 22100202223121 is 12132220200122.

It is not a de Polignac number, because 22100202223121 - 2² = 22100202223117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100202223093 and 22100202223102.

It is not an unprimeable number, because it can be changed into a prime (22100202222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298747245 + ... + 2298756858.

It is an arithmetic number, because the mean of its divisors is an integer number (1655101477440).

Almost surely, 2^{22100202223121} is an apocalyptic number.

It is an amenable number.

22100202223121 is a deficient number, since it is larger than the sum of its proper divisors (4381421415919).

22100202223121 is a wasteful number, since it uses less digits than its factorization.

22100202223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597504156.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22100202223121 its reverse (12132220200122), we get a palindrome (34232422423243).

The spelling of 22100202223121 in words is "twenty-two trillion, one hundred billion, two hundred two million, two hundred twenty-three thousand, one hundred twenty-one".