113222001222 has 96 divisors (see below), whose sum is σ = 275478446880. Its totient is φ = 33315010560.

The previous prime is 113222001209. The next prime is 113222001227. The reversal of 113222001222 is 222100222311.

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 = 113222001195 and 113222001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222001227) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 962304 + ... + 1073532.

It is an arithmetic number, because the mean of its divisors is an integer number (2869567155).

Almost surely, 2^113222001222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113222001222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137739223440).

113222001222 is an abundant number, since it is smaller than the sum of its proper divisors (162256445658).

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

113222001222 is a wasteful number, since it uses less digits than its factorization.

113222001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111398 (or 111395 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 113222001222 its reverse (222100222311), we get a palindrome (335322223533).

Subtracting 113222001222 from its reverse (222100222311), we obtain a square (108878221089 = 329967²).

The spelling of 113222001222 in words is "one hundred thirteen billion, two hundred twenty-two million, one thousand, two hundred twenty-two".