21200211200110 has 8 divisors (see below), whose sum is σ = 38160380160216. Its totient is φ = 8480084480040.

The previous prime is 21200211200093. The next prime is 21200211200111. The reversal of 21200211200110 is 1100211200212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200211200111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060010559996 + ... + 1060010560015.

It is an arithmetic number, because the mean of its divisors is an integer number (4770047520027).

Almost surely, 2^{21200211200110} is an apocalyptic number.

21200211200110 is a deficient number, since it is larger than the sum of its proper divisors (16960168960106).

21200211200110 is a wasteful number, since it uses less digits than its factorization.

21200211200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120021120018.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21200211200110 its reverse (1100211200212), we get a palindrome (22300422400322).

The spelling of 21200211200110 in words is "twenty-one trillion, two hundred billion, two hundred eleven million, two hundred thousand, one hundred ten".