10221210200999 has 6 divisors (see below), whose sum is σ = 11889979213464. Its totient is φ = 8761037315100.

The previous prime is 10221210200921. The next prime is 10221210201031. The reversal of 10221210200999 is 99900201212201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10221210200999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221210260999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104298063227 + ... + 104298063324.

It is an arithmetic number, because the mean of its divisors is an integer number (1981663202244).

Almost surely, 2^{10221210200999} is an apocalyptic number.

10221210200999 is a deficient number, since it is larger than the sum of its proper divisors (1668769012465).

10221210200999 is an equidigital number, since it uses as much as digits as its factorization.

10221210200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208596126565 (or 208596126558 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 10221210200999 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, two hundred thousand, nine hundred ninety-nine".