113312222012220 has 144 divisors (see below), whose sum is σ = 402626285083008. Its totient is φ = 23545396775040.

The previous prime is 113312222012173. The next prime is 113312222012293. The reversal of 113312222012220 is 22210222213311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1751857302 + ... + 1751921981.

It is an arithmetic number, because the mean of its divisors is an integer number (2796015868632).

Almost surely, 2^{113312222012220} is an apocalyptic number.

113312222012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113312222012220 is an abundant number, since it is smaller than the sum of its proper divisors (289314063070788).

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

113312222012220 is a wasteful number, since it uses less digits than its factorization.

113312222012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503779320 (or 3503779311 counting only the distinct ones).

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

Adding to 113312222012220 its reverse (22210222213311), we get a palindrome (135522444225531).

The spelling of 113312222012220 in words is "one hundred thirteen trillion, three hundred twelve billion, two hundred twenty-two million, twelve thousand, two hundred twenty".