202112121102 has 48 divisors (see below), whose sum is σ = 439667988480. Its totient is φ = 61765979760.

The previous prime is 202112121077. The next prime is 202112121119. The reversal of 202112121102 is 201121211202.

202112121102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 812878 + ... + 1031985.

It is an arithmetic number, because the mean of its divisors is an integer number (9159749760).

Almost surely, 2^202112121102 is an apocalyptic number.

202112121102 is an abundant number, since it is smaller than the sum of its proper divisors (237555867378).

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

202112121102 is a wasteful number, since it uses less digits than its factorization.

202112121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844949 (or 1844918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202112121102 its reverse (201121211202), we get a palindrome (403233332304).

The spelling of 202112121102 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred two".