202222112022121 has 4 divisors (see below), whose sum is σ = 202304082884752. Its totient is φ = 202140141159492.

The previous prime is 202222112021933. The next prime is 202222112022163. The reversal of 202222112022121 is 121220211222202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202222112022121 - 2⁹ = 202222112021609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202222112022092 and 202222112022101.

It is not an unprimeable number, because it can be changed into a prime (202222112082121) 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, 40985427615 + ... + 40985432548.

It is an arithmetic number, because the mean of its divisors is an integer number (50576020721188).

Almost surely, 2^{202222112022121} is an apocalyptic number.

It is an amenable number.

202222112022121 is a deficient number, since it is larger than the sum of its proper divisors (81970862631).

202222112022121 is an equidigital number, since it uses as much as digits as its factorization.

202222112022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81970862630.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202222112022121 its reverse (121220211222202), we get a palindrome (323442323244323).

The spelling of 202222112022121 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred twelve million, twenty-two thousand, one hundred twenty-one".