112221102222 has 48 divisors (see below), whose sum is σ = 250777829952. Its totient is φ = 36248625600.

The previous prime is 112221102209. The next prime is 112221102247. The reversal of 112221102222 is 222201122211.

It is a happy number.

It is a super-3 number, since 3×112221102222³ (a number of 34 digits) contains 333 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 = 112221102195 and 112221102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571233 + ... + 742124.

It is an arithmetic number, because the mean of its divisors is an integer number (5224538124).

Almost surely, 2^112221102222 is an apocalyptic number.

112221102222 is an abundant number, since it is smaller than the sum of its proper divisors (138556727730).

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

112221102222 is a wasteful number, since it uses less digits than its factorization.

112221102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313513 (or 1313510 counting only the distinct ones).

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

Adding to 112221102222 its reverse (222201122211), we get a palindrome (334422224433).

The spelling of 112221102222 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-two".