212210221202222 has 32 divisors (see below), whose sum is σ = 338624124797952. Its totient is φ = 99394386056064.

The previous prime is 212210221202209. The next prime is 212210221202249. The reversal of 212210221202222 is 222202122012212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32189153 + ... + 38217299.

It is an arithmetic number, because the mean of its divisors is an integer number (10582003899936).

Almost surely, 2^{212210221202222} is an apocalyptic number.

212210221202222 is a deficient number, since it is larger than the sum of its proper divisors (126413903595730).

212210221202222 is a wasteful number, since it uses less digits than its factorization.

212210221202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033032.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212210221202222 its reverse (222202122012212), we get a palindrome (434412343214434).

The spelling of 212210221202222 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty-two".