113312113122222 has 96 divisors (see below), whose sum is σ = 281695831971840. Its totient is φ = 32246662498560.

The previous prime is 113312113122203. The next prime is 113312113122283. The reversal of 113312113122222 is 222221311213311.

113312113122222 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 121 + 1 + 312 + 2 + 222 = 666.

It is a super-2 number, since 2×113312113122222² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 31073947 + ... + 34528457.

It is an arithmetic number, because the mean of its divisors is an integer number (2934331583040).

Almost surely, 2^{113312113122222} is an apocalyptic number.

113312113122222 is an abundant number, since it is smaller than the sum of its proper divisors (168383718849618).

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

113312113122222 is a wasteful number, since it uses less digits than its factorization.

113312113122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455558 (or 3455555 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 113312113122222 its reverse (222221311213311), we get a palindrome (335533424335533).

The spelling of 113312113122222 in words is "one hundred thirteen trillion, three hundred twelve billion, one hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".