222202201122121 has 4 divisors (see below), whose sum is σ = 242402401224144. Its totient is φ = 202002001020100.

The previous prime is 222202201122119. The next prime is 222202201122137. The reversal of 222202201122121 is 121221102202222.

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 222202201122121 - 2¹ = 222202201122119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222202201122092 and 222202201122101.

It is not an unprimeable number, because it can be changed into a prime (222202201122191) 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, 10100100050995 + ... + 10100100051016.

It is an arithmetic number, because the mean of its divisors is an integer number (60600600306036).

Almost surely, 2^{222202201122121} is an apocalyptic number.

It is an amenable number.

222202201122121 is a deficient number, since it is larger than the sum of its proper divisors (20200200102023).

222202201122121 is a wasteful number, since it uses less digits than its factorization.

222202201122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200200102022.

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

Adding to 222202201122121 its reverse (121221102202222), we get a palindrome (343423303324343).

The spelling of 222202201122121 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".