112221222102 has 24 divisors (see below), whose sum is σ = 265250161800. Its totient is φ = 34006430880.

The previous prime is 112221222089. The next prime is 112221222149. The reversal of 112221222102 is 201222122211.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283386727 + ... + 283387122.

It is an arithmetic number, because the mean of its divisors is an integer number (11052090075).

Almost surely, 2^112221222102 is an apocalyptic number.

112221222102 is an abundant number, since it is smaller than the sum of its proper divisors (153028939698).

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

112221222102 is a wasteful number, since it uses less digits than its factorization.

112221222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566773868 (or 566773865 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112221222102 its reverse (201222122211), we get a palindrome (313443344313).

The spelling of 112221222102 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".