202111133130 has 48 divisors (see below), whose sum is σ = 537709629600. Its totient is φ = 52642898784.

The previous prime is 202111133117. The next prime is 202111133137. The reversal of 202111133130 is 31331111202.

202111133130 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 (18).

It is not an unprimeable number, because it can be changed into a prime (202111133137) by changing a digit.

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, 26108680 + ... + 26116419.

It is an arithmetic number, because the mean of its divisors is an integer number (11202283950).

Almost surely, 2^202111133130 is an apocalyptic number.

202111133130 is an abundant number, since it is smaller than the sum of its proper divisors (335598496470).

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

202111133130 is a wasteful number, since it uses less digits than its factorization.

202111133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52225155 (or 52225152 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 202111133130 its reverse (31331111202), we get a palindrome (233442244332).

It can be divided in two parts, 202111 and 133130, that added together give a square (335241 = 579²).

The spelling of 202111133130 in words is "two hundred two billion, one hundred eleven million, one hundred thirty-three thousand, one hundred thirty".