202111112222 has 8 divisors (see below), whose sum is σ = 303170520576. Its totient is φ = 101054272032.

The previous prime is 202111112219. The next prime is 202111112239. The reversal of 202111112222 is 222211111202.

202111112222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×202111112222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202111112222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431483 + ... + 768374.

It is an arithmetic number, because the mean of its divisors is an integer number (37896315072).

Almost surely, 2^202111112222 is an apocalyptic number.

202111112222 is a deficient number, since it is larger than the sum of its proper divisors (101059408354).

202111112222 is a wasteful number, since it uses less digits than its factorization.

202111112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284082.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202111112222 its reverse (222211111202), we get a palindrome (424322223424).

The spelling of 202111112222 in words is "two hundred two billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-two".