202011012100 has 36 divisors (see below), whose sum is σ = 439627268304. Its totient is φ = 80571525280.

The previous prime is 202011012079. The next prime is 202011012113. The reversal of 202011012100 is 1210110202.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 2876122 + ... + 2945521.

It is an arithmetic number, because the mean of its divisors is an integer number (12211868564).

Almost surely, 2^202011012100 is an apocalyptic number.

202011012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011012100 is an abundant number, since it is smaller than the sum of its proper divisors (237616256204).

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

202011012100 is a wasteful number, since it uses less digits than its factorization.

202011012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822004 (or 5821997 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202011012100 its reverse (1210110202), we get a palindrome (203221122302).

It can be divided in two parts, 20201 and 1012100, that added together give a palindrome (1032301).

The spelling of 202011012100 in words is "two hundred two billion, eleven million, twelve thousand, one hundred".