21113200112110 has 32 divisors (see below), whose sum is σ = 39084967560672. Its totient is φ = 8207005672320.

The previous prime is 21113200112101. The next prime is 21113200112113. The reversal of 21113200112110 is 1121100231112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113200112113) 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, 124535761 + ... + 124705180.

It is an arithmetic number, because the mean of its divisors is an integer number (1221405236271).

Almost surely, 2^{21113200112110} is an apocalyptic number.

21113200112110 is a deficient number, since it is larger than the sum of its proper divisors (17971767448562).

21113200112110 is a wasteful number, since it uses less digits than its factorization.

21113200112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249241188.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 21113200112110 its reverse (1121100231112), we get a palindrome (22234300343222).

The spelling of 21113200112110 in words is "twenty-one trillion, one hundred thirteen billion, two hundred million, one hundred twelve thousand, one hundred ten".