21200132110 has 32 divisors (see below), whose sum is σ = 38835785664. Its totient is φ = 8330784000.

The previous prime is 21200132053. The next prime is 21200132117. The reversal of 21200132110 is 1123100212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200132117) 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, 146380 + ... + 252640.

It is an arithmetic number, because the mean of its divisors is an integer number (1213618302).

Almost surely, 2^21200132110 is an apocalyptic number.

21200132110 is a deficient number, since it is larger than the sum of its proper divisors (17635653554).

21200132110 is a wasteful number, since it uses less digits than its factorization.

21200132110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106620.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21200132110 its reverse (1123100212), we get a palindrome (22323232322).

The spelling of 21200132110 in words is "twenty-one billion, two hundred million, one hundred thirty-two thousand, one hundred ten".