113001123222 has 192 divisors, whose sum is σ = 297836904960. Its totient is φ = 31505817024.

The previous prime is 113001123211. The next prime is 113001123223. The reversal of 113001123222 is 222321100311.

It is a super-2 number, since 2×113001123222² (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 = 113001123195 and 113001123204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113001123223) 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 95 ways as a sum of consecutive naturals, for example, 5819013 + ... + 5838399.

It is an arithmetic number, because the mean of its divisors is an integer number (1551233880).

Almost surely, 2^113001123222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113001123222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148918452480).

113001123222 is an abundant number, since it is smaller than the sum of its proper divisors (184835781738).

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

113001123222 is a wasteful number, since it uses less digits than its factorization.

113001123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19472 (or 19447 counting only the distinct ones).

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

Adding to 113001123222 its reverse (222321100311), we get a palindrome (335322223533).

The spelling of 113001123222 in words is "one hundred thirteen billion, one million, one hundred twenty-three thousand, two hundred twenty-two".