202111102130 has 48 divisors (see below), whose sum is σ = 427304704320. Its totient is φ = 68622448608.

The previous prime is 202111102117. The next prime is 202111102147. The reversal of 202111102130 is 31201111202.

202111102130 is digitally balanced in base 2, because in such base 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 (14).

It is a Curzon 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, 1951820 + ... + 2052759.

It is an arithmetic number, because the mean of its divisors is an integer number (8902181340).

Almost surely, 2^202111102130 is an apocalyptic number.

202111102130 is an abundant number, since it is smaller than the sum of its proper divisors (225193602190).

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

202111102130 is a wasteful number, since it uses less digits than its factorization.

202111102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004703 (or 4004696 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 202111102130 its reverse (31201111202), we get a palindrome (233312213332).

The spelling of 202111102130 in words is "two hundred two billion, one hundred eleven million, one hundred two thousand, one hundred thirty".