113323223212100 has 144 divisors (see below), whose sum is σ = 274935822981120. Its totient is φ = 40196613724800.

The previous prime is 113323223212099. The next prime is 113323223212103. The reversal of 113323223212100 is 1212322323311.

It is a self number, because there is not a number n which added to its sum of digits gives 113323223212100.

It is not an unprimeable number, because it can be changed into a prime (113323223212103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 643112 + ... + 15068511.

It is an arithmetic number, because the mean of its divisors is an integer number (1909276548480).

Almost surely, 2^{113323223212100} is an apocalyptic number.

113323223212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113323223212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137467911490560).

113323223212100 is an abundant number, since it is smaller than the sum of its proper divisors (161612599769020).

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

113323223212100 is a wasteful number, since it uses less digits than its factorization.

113323223212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711810 (or 15711803 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113323223212100 its reverse (1212322323311), we get a palindrome (114535545535411).

The spelling of 113323223212100 in words is "one hundred thirteen trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred twelve thousand, one hundred".