2102202221112 has 48 divisors (see below), whose sum is σ = 6506816400240. Its totient is φ = 600629205888.

The previous prime is 2102202221089. The next prime is 2102202221123. The reversal of 2102202221112 is 2111222022012.

It is a happy number.

2102202221112 is a `hidden beast` number, since 210 + 220 + 2 + 221 + 1 + 12 = 666.

It is a super-2 number, since 2×2102202221112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2085517573 + ... + 2085518580.

It is an arithmetic number, because the mean of its divisors is an integer number (135558675005).

Almost surely, 2^{2102202221112} is an apocalyptic number.

It is an amenable number.

2102202221112 is an abundant number, since it is smaller than the sum of its proper divisors (4404614179128).

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

2102202221112 is a wasteful number, since it uses less digits than its factorization.

2102202221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171036172 (or 4171036165 counting only the distinct ones).

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

Adding to 2102202221112 its reverse (2111222022012), we get a palindrome (4213424243124).

The spelling of 2102202221112 in words is "two trillion, one hundred two billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".