21010202110000 has 100 divisors (see below), whose sum is σ = 50870187266800. Its totient is φ = 8403686496000.

The previous prime is 21010202109989. The next prime is 21010202110067. The reversal of 21010202110000 is 1120201012.

It is a tau number, because it is divible by the number of its divisors (100).

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 19 ways as a sum of consecutive naturals, for example, 311556286 + ... + 311623714.

It is an arithmetic number, because the mean of its divisors is an integer number (508701872668).

Almost surely, 2^{21010202110000} is an apocalyptic number.

21010202110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21010202110000 is an abundant number, since it is smaller than the sum of its proper divisors (29859985156800).

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

21010202110000 is an equidigital number, since it uses as much as digits as its factorization.

21010202110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98616 (or 98595 counting only the distinct ones).

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

Adding to 21010202110000 its reverse (1120201012), we get a palindrome (21011322311012).

The spelling of 21010202110000 in words is "twenty-one trillion, ten billion, two hundred two million, one hundred ten thousand".