113100231222 has 48 divisors (see below), whose sum is σ = 274552913232. Its totient is φ = 33346503360.

The previous prime is 113100231161. The next prime is 113100231313. The reversal of 113100231222 is 222132001311.

113100231222 is a `hidden beast` number, since 113 + 100 + 231 + 222 = 666.

It is a super-2 number, since 2×113100231222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113100231195 and 113100231204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7711773 + ... + 7726424.

It is an arithmetic number, because the mean of its divisors is an integer number (5719852359).

Almost surely, 2^113100231222 is an apocalyptic number.

113100231222 is an abundant number, since it is smaller than the sum of its proper divisors (161452682010).

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

113100231222 is a wasteful number, since it uses less digits than its factorization.

113100231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438253 (or 15438250 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113100231222 its reverse (222132001311), we get a palindrome (335232232533).

The spelling of 113100231222 in words is "one hundred thirteen billion, one hundred million, two hundred thirty-one thousand, two hundred twenty-two".