21120112000110 has 32 divisors (see below), whose sum is σ = 50712958801440. Its totient is φ = 5629286533248.

The previous prime is 21120112000087. The next prime is 21120112000133. The reversal of 21120112000110 is 1100021102112.

It is an interprime number because it is at equal distance from previous prime (21120112000087) and next prime (21120112000133).

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, 171395725 + ... + 171518904.

It is an arithmetic number, because the mean of its divisors is an integer number (1584779962545).

Almost surely, 2^{21120112000110} is an apocalyptic number.

21120112000110 is an abundant number, since it is smaller than the sum of its proper divisors (29592846801330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21120112000110 is a wasteful number, since it uses less digits than its factorization.

21120112000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342916692.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21120112000110 its reverse (1100021102112), we get a palindrome (22220133102222).

The spelling of 21120112000110 in words is "twenty-one trillion, one hundred twenty billion, one hundred twelve million, one hundred ten", and thus it is an aban number.