2112220020112 has 20 divisors (see below), whose sum is σ = 4093768602700. Its totient is φ = 1055763606528.

The previous prime is 2112220020011. The next prime is 2112220020133. The reversal of 2112220020112 is 2110200222112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1063406438656 + 1048813581456 = 1031216^2 + 1024116^2 .

It is a super-2 number, since 2×2112220020112² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21599913 + ... + 21697480.

It is an arithmetic number, because the mean of its divisors is an integer number (204688430135).

Almost surely, 2^{2112220020112} is an apocalyptic number.

It is an amenable number.

2112220020112 is a deficient number, since it is larger than the sum of its proper divisors (1981548582588).

2112220020112 is a wasteful number, since it uses less digits than its factorization.

2112220020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43300450 (or 43300444 counting only the distinct ones).

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

Adding to 2112220020112 its reverse (2110200222112), we get a palindrome (4222420242224).

The spelling of 2112220020112 in words is "two trillion, one hundred twelve billion, two hundred twenty million, twenty thousand, one hundred twelve".