113212110 has 64 divisors (see below), whose sum is σ = 297561600. Its totient is φ = 27338880.

The previous prime is 113212109. The next prime is 113212133. The reversal of 113212110 is 11212311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114679 + ... + 115661.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^113212110 is an apocalyptic number.

113212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113212110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148780800).

113212110 is an abundant number, since it is smaller than the sum of its proper divisors (184349490).

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

113212110 is a wasteful number, since it uses less digits than its factorization.

113212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

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

The square root of 113212110 is about 10640.1179504740. The cubic root of 113212110 is about 483.7611205370.

Adding to 113212110 its reverse (11212311), we get a palindrome (124424421).

It can be divided in two parts, 11321 and 2110, that added together give a palindrome (13431).

The spelling of 113212110 in words is "one hundred thirteen million, two hundred twelve thousand, one hundred ten".