202113113100 has 36 divisors (see below), whose sum is σ = 584780608104. Its totient is φ = 53896830080.

The previous prime is 202113113089. The next prime is 202113113113. The reversal of 202113113100 is 1311311202.

It is a happy number.

It is a super-2 number, since 2×202113113100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202113113100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336854889 + ... + 336855488.

Almost surely, 2^202113113100 is an apocalyptic number.

202113113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202113113100 is an abundant number, since it is smaller than the sum of its proper divisors (382667495004).

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

202113113100 is a wasteful number, since it uses less digits than its factorization.

202113113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673710394 (or 673710387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 202113113100 its reverse (1311311202), we get a palindrome (203424424302).

The spelling of 202113113100 in words is "two hundred two billion, one hundred thirteen million, one hundred thirteen thousand, one hundred".