21002200200110 has 32 divisors (see below), whose sum is σ = 37849384088640. Its totient is φ = 8390787328512.

The previous prime is 21002200200109. The next prime is 21002200200187. The reversal of 21002200200110 is 1100200220012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21002200200091 and 21002200200100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130636856 + ... + 130797524.

It is an arithmetic number, because the mean of its divisors is an integer number (1182793252770).

Almost surely, 2^{21002200200110} is an apocalyptic number.

21002200200110 is a deficient number, since it is larger than the sum of its proper divisors (16847183888530).

21002200200110 is a wasteful number, since it uses less digits than its factorization.

21002200200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176300.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21002200200110 its reverse (1100200220012), we get a palindrome (22102400420122).

The spelling of 21002200200110 in words is "twenty-one trillion, two billion, two hundred million, two hundred thousand, one hundred ten".