202212121112222 has 16 divisors (see below), whose sum is σ = 326671207713312. Its totient is φ = 93322711789920.

The previous prime is 202212121112179. The next prime is 202212121112231. The reversal of 202212121112222 is 222211121212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247897178 + ... + 248711549.

It is an arithmetic number, because the mean of its divisors is an integer number (20416950482082).

Almost surely, 2^{202212121112222} is an apocalyptic number.

202212121112222 is a deficient number, since it is larger than the sum of its proper divisors (124459086601090).

202212121112222 is a wasteful number, since it uses less digits than its factorization.

202212121112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496624403.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 202212121112222 its reverse (222211121212202), we get a palindrome (424423242324424).

The spelling of 202212121112222 in words is "two hundred two trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".