21021103302199 has 64 divisors (see below), whose sum is σ = 29584919282688. Its totient is φ = 14408237491200.

The previous prime is 21021103302079. The next prime is 21021103302217. The reversal of 21021103302199 is 99120330112012.

It is not a de Polignac number, because 21021103302199 - 2¹¹ = 21021103300151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21021103302299) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4191024 + ... + 7720549.

It is an arithmetic number, because the mean of its divisors is an integer number (462264363792).

Almost surely, 2^{21021103302199} is an apocalyptic number.

21021103302199 is a deficient number, since it is larger than the sum of its proper divisors (8563815980489).

21021103302199 is a wasteful number, since it uses less digits than its factorization.

21021103302199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911688.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 21021103302199 in words is "twenty-one trillion, twenty-one billion, one hundred three million, three hundred two thousand, one hundred ninety-nine".