202111122112 has 56 divisors (see below), whose sum is σ = 428779387296. Its totient is φ = 94187655168.

The previous prime is 202111122107. The next prime is 202111122137. The reversal of 202111122112 is 211221111202.

202111122112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 7 ways as a sum of consecutive naturals, for example, 789703 + ... + 1013830.

Almost surely, 2^202111122112 is an apocalyptic number.

It is an amenable number.

202111122112 is an abundant number, since it is smaller than the sum of its proper divisors (226668265184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202111122112 is a wasteful number, since it uses less digits than its factorization.

202111122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803665 (or 1803655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202111122112 its reverse (211221111202), we get a palindrome (413332233314).

The spelling of 202111122112 in words is "two hundred two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twelve".