21002200001110 has 16 divisors (see below), whose sum is σ = 37804633574400. Its totient is φ = 8400730317696.

The previous prime is 21002200001099. The next prime is 21002200001119. The reversal of 21002200001110 is 1110000220012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21002200001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18120150 + ... + 19244329.

It is an arithmetic number, because the mean of its divisors is an integer number (2362789598400).

Almost surely, 2^{21002200001110} is an apocalyptic number.

21002200001110 is a deficient number, since it is larger than the sum of its proper divisors (16802433573290).

21002200001110 is a wasteful number, since it uses less digits than its factorization.

21002200001110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37420695.

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

Adding to 21002200001110 its reverse (1110000220012), we get a palindrome (22112200221122).

The spelling of 21002200001110 in words is "twenty-one trillion, two billion, two hundred million, one thousand, one hundred ten".