113222203220 has 96 divisors (see below), whose sum is σ = 273667984128. Its totient is φ = 38543450112.

The previous prime is 113222203219. The next prime is 113222203223. The reversal of 113222203220 is 22302222311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113222203192 and 113222203201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222203223) by changing a digit.

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, 15046379 + ... + 15053901.

It is an arithmetic number, because the mean of its divisors is an integer number (2850708168).

Almost surely, 2^113222203220 is an apocalyptic number.

113222203220 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 113222203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136833992064).

113222203220 is an abundant number, since it is smaller than the sum of its proper divisors (160445780908).

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

113222203220 is a wasteful number, since it uses less digits than its factorization.

113222203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289 (or 8287 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 113222203220 its reverse (22302222311), we get a palindrome (135524425531).

The spelling of 113222203220 in words is "one hundred thirteen billion, two hundred twenty-two million, two hundred three thousand, two hundred twenty".