222120102202221 has 8 divisors (see below), whose sum is σ = 296160565459104. Its totient is φ = 148079853540080.

The previous prime is 222120102202153. The next prime is 222120102202237. The reversal of 222120102202221 is 122202201021222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222120102202221 - 2¹⁰ = 222120102201197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120102207221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51217791 + ... + 55385036.

It is an arithmetic number, because the mean of its divisors is an integer number (37020070682388).

Almost surely, 2^{222120102202221} is an apocalyptic number.

It is an amenable number.

222120102202221 is a deficient number, since it is larger than the sum of its proper divisors (74040463256883).

222120102202221 is a wasteful number, since it uses less digits than its factorization.

222120102202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107297371.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222120102202221 its reverse (122202201021222), we get a palindrome (344322303223443).

The spelling of 222120102202221 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred two million, two hundred two thousand, two hundred twenty-one".