113112222320 has 40 divisors (see below), whose sum is σ = 263366633040. Its totient is φ = 45179389440.

The previous prime is 113112222317. The next prime is 113112222323. The reversal of 113112222320 is 23222211311.

It is an interprime number because it is at equal distance from previous prime (113112222317) and next prime (113112222323).

It is a tau number, because it is divible by the number of its divisors (40).

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 = 113112222292 and 113112222301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112222323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967805 + ... + 1078364.

It is an arithmetic number, because the mean of its divisors is an integer number (6584165826).

Almost surely, 2^113112222320 is an apocalyptic number.

113112222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113112222320 is an abundant number, since it is smaller than the sum of its proper divisors (150254410720).

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

113112222320 is a wasteful number, since it uses less digits than its factorization.

113112222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046873 (or 2046867 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 113112222320 its reverse (23222211311), we get a palindrome (136334433631).

The spelling of 113112222320 in words is "one hundred thirteen billion, one hundred twelve million, two hundred twenty-two thousand, three hundred twenty".