21022110210000 has 100 divisors (see below), whose sum is σ = 67862174802752. Its totient is φ = 5605896048000.

The previous prime is 21022110209959. The next prime is 21022110210019. The reversal of 21022110210000 is 1201122012.

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 (12).

It is a congruent number.

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, 350338504 + ... + 350398503.

Almost surely, 2^{21022110210000} is an apocalyptic number.

21022110210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022110210000 is an abundant number, since it is smaller than the sum of its proper divisors (46840064592752).

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

21022110210000 is an equidigital number, since it uses as much as digits as its factorization.

21022110210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700737038 (or 700737017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21022110210000 its reverse (1201122012), we get a palindrome (21023311332012).

The spelling of 21022110210000 in words is "twenty-one trillion, twenty-two billion, one hundred ten million, two hundred ten thousand".