202110122222 has 24 divisors (see below), whose sum is σ = 313564773600. Its totient is φ = 97700130720.

The previous prime is 202110122197. The next prime is 202110122231. The reversal of 202110122222 is 222221011202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202110122222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1946354 + ... + 2047562.

It is an arithmetic number, because the mean of its divisors is an integer number (13065198900).

Almost surely, 2^202110122222 is an apocalyptic number.

202110122222 is a deficient number, since it is larger than the sum of its proper divisors (111454651378).

202110122222 is a wasteful number, since it uses less digits than its factorization.

202110122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102312 (or 102281 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202110122222 its reverse (222221011202), we get a palindrome (424331133424).

The spelling of 202110122222 in words is "two hundred two billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".