113421144442100 has 108 divisors (see below), whose sum is σ = 270544383512172. Its totient is φ = 41242296268800.

The previous prime is 113421144442097. The next prime is 113421144442181. The reversal of 113421144442100 is 1244441124311.

It can be written as a sum of positive squares in 6 ways, for example, as 28693206412816 + 84727938029284 = 5356604^2 + 9204778^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 303002654 + ... + 303376746.

Almost surely, 2^{113421144442100} is an apocalyptic number.

113421144442100 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 113421144442100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135272191756086).

113421144442100 is an abundant number, since it is smaller than the sum of its proper divisors (157123239070072).

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

113421144442100 is a wasteful number, since it uses less digits than its factorization.

113421144442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399186 (or 399168 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 113421144442100 its reverse (1244441124311), we get a palindrome (114665585566411).

The spelling of 113421144442100 in words is "one hundred thirteen trillion, four hundred twenty-one billion, one hundred forty-four million, four hundred forty-two thousand, one hundred".