202110010000 has 50 divisors (see below), whose sum is σ = 489328569422. Its totient is φ = 80844000000.

The previous prime is 202110009991. The next prime is 202110010007. The reversal of 202110010000 is 10011202.

It can be written as a sum of positive squares in 5 ways, for example, as 50857466256 + 151252543744 = 225516^2 + 388912^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×202110010000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202110010007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10095501 + ... + 10115500.

Almost surely, 2^202110010000 is an apocalyptic number.

202110010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110010000 is an abundant number, since it is smaller than the sum of its proper divisors (287218559422).

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

202110010000 is an equidigital number, since it uses as much as digits as its factorization.

202110010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211029 (or 20211008 counting only the distinct ones).

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

Adding to 202110010000 its reverse (10011202), we get a palindrome (202120021202).

The spelling of 202110010000 in words is "two hundred two billion, one hundred ten million, ten thousand".