112221221020000 has 120 divisors (see below), whose sum is σ = 277226613267912. Its totient is φ = 44702227200000.

The previous prime is 112221221019983. The next prime is 112221221020003. The reversal of 112221221020000 is 20122122211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221221020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6821206 + ... + 16461205.

Almost surely, 2^{112221221020000} is an apocalyptic number.

112221221020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221221020000 is an abundant number, since it is smaller than the sum of its proper divisors (165005392247912).

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

112221221020000 is an equidigital number, since it uses as much as digits as its factorization.

112221221020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282682 (or 23282659 counting only the distinct ones).

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

Adding to 112221221020000 its reverse (20122122211), we get a palindrome (112241343142211).

The spelling of 112221221020000 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty-one million, twenty thousand".