113221222002 has 48 divisors (see below), whose sum is σ = 280468094400. Its totient is φ = 32336138016.

The previous prime is 113221221983. The next prime is 113221222013. The reversal of 113221222002 is 200222122311.

It is a super-2 number, since 2×113221222002² (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 an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 144913 + ... + 497435.

It is an arithmetic number, because the mean of its divisors is an integer number (5843085300).

Almost surely, 2^113221222002 is an apocalyptic number.

113221222002 is an abundant number, since it is smaller than the sum of its proper divisors (167246872398).

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

113221222002 is a wasteful number, since it uses less digits than its factorization.

113221222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355087 (or 355084 counting only the distinct ones).

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

Adding to 113221222002 its reverse (200222122311), we get a palindrome (313443344313).

The spelling of 113221222002 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred twenty-two thousand, two".