112221120220 has 48 divisors (see below), whose sum is σ = 268266152448. Its totient is φ = 39033431360.

The previous prime is 112221120191. The next prime is 112221120233. The reversal of 112221120220 is 22021122211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112221120194 and 112221120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11083984 + ... + 11094103.

It is an arithmetic number, because the mean of its divisors is an integer number (5588878176).

Almost surely, 2^112221120220 is an apocalyptic number.

112221120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221120220 is an abundant number, since it is smaller than the sum of its proper divisors (156045032228).

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

112221120220 is a wasteful number, since it uses less digits than its factorization.

112221120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22178130 (or 22178128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112221120220 its reverse (22021122211), we get a palindrome (134242242431).

The spelling of 112221120220 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty".