22202222110121 has 16 divisors (see below), whose sum is σ = 22866317014464. Its totient is φ = 21544880745024.

The previous prime is 22202222110111. The next prime is 22202222110139. The reversal of 22202222110121 is 12101122220222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202222110121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202222110093 and 22202222110102.

It is not an unprimeable number, because it can be changed into a prime (22202222110111) 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, 51111575 + ... + 51544131.

It is an arithmetic number, because the mean of its divisors is an integer number (1429144813404).

Almost surely, 2^{22202222110121} is an apocalyptic number.

It is an amenable number.

22202222110121 is a deficient number, since it is larger than the sum of its proper divisors (664094904343).

22202222110121 is a wasteful number, since it uses less digits than its factorization.

22202222110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440360.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22202222110121 its reverse (12101122220222), we get a palindrome (34303344330343).

The spelling of 22202222110121 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".