113220113424 has 160 divisors (see below), whose sum is σ = 338240779776. Its totient is φ = 32253020160.

The previous prime is 113220113411. The next prime is 113220113431. The reversal of 113220113424 is 424311022311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 113220113394 and 113220113403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8134279 + ... + 8148185.

Almost surely, 2^113220113424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113220113424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169120389888).

113220113424 is an abundant number, since it is smaller than the sum of its proper divisors (225020666352).

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

113220113424 is a wasteful number, since it uses less digits than its factorization.

113220113424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14853 (or 14847 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 113220113424 its reverse (424311022311), we get a palindrome (537531135735).

The spelling of 113220113424 in words is "one hundred thirteen billion, two hundred twenty million, one hundred thirteen thousand, four hundred twenty-four".