112000222121220 has 120 divisors (see below), whose sum is σ = 351352461215448. Its totient is φ = 29866418496000.

The previous prime is 112000222121171. The next prime is 112000222121239. The reversal of 112000222121220 is 22121222000211.

It is a happy number.

112000222121220 is a `hidden beast` number, since 1 + 1 + 200 + 0 + 2 + 221 + 21 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12338176105476 + 99662046015744 = 3512574^2 + 9983088^2 .

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 = 112000222121193 and 112000222121202.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 187785880 + ... + 188381360.

Almost surely, 2^{112000222121220} is an apocalyptic number.

112000222121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112000222121220 is an abundant number, since it is smaller than the sum of its proper divisors (239352239094228).

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

112000222121220 is a wasteful number, since it uses less digits than its factorization.

112000222121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711603 (or 711592 counting only the distinct ones).

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

Adding to 112000222121220 its reverse (22121222000211), we get a palindrome (134121444121431).

The spelling of 112000222121220 in words is "one hundred twelve trillion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty".