21200200110110 has 32 divisors (see below), whose sum is σ = 43615731241152. Its totient is φ = 7267991535360.

The previous prime is 21200200110109. The next prime is 21200200110113. The reversal of 21200200110110 is 1101100200212.

It is a super-2 number, since 2×21200200110110² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21200200110091 and 21200200110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200200110113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12719951 + ... + 14289770.

It is an arithmetic number, because the mean of its divisors is an integer number (1362991601286).

Almost surely, 2^{21200200110110} is an apocalyptic number.

21200200110110 is an abundant number, since it is smaller than the sum of its proper divisors (22415531131042).

21200200110110 is a wasteful number, since it uses less digits than its factorization.

21200200110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27020948.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21200200110110 its reverse (1101100200212), we get a palindrome (22301300310322).

The spelling of 21200200110110 in words is "twenty-one trillion, two hundred billion, two hundred million, one hundred ten thousand, one hundred ten".