202110100000 has 144 divisors (see below), whose sum is σ = 502958824200. Its totient is φ = 79932160000.

The previous prime is 202110099991. The next prime is 202110100001. The reversal of 202110100000 is 1011202.

It can be written as a sum of positive squares in 12 ways, for example, as 184731478416 + 17378621584 = 429804^2 + 131828^2 .

It is not an unprimeable number, because it can be changed into a prime (202110100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8888646 + ... + 8911354.

Almost surely, 2^202110100000 is an apocalyptic number.

202110100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202110100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251479412100).

202110100000 is an abundant number, since it is smaller than the sum of its proper divisors (300848724200).

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

202110100000 is an frugal number, since it uses more digits than its factorization.

202110100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22833 (or 22805 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 202110100000 its reverse (1011202), we get a palindrome (202111111202).

The spelling of 202110100000 in words is "two hundred two billion, one hundred ten million, one hundred thousand".