2112202201122 has 48 divisors (see below), whose sum is σ = 4928890107960. Its totient is φ = 649853208576.

The previous prime is 2112202201079. The next prime is 2112202201127. The reversal of 2112202201122 is 2211022022112.

It is a happy number.

2112202201122 is a `hidden beast` number, since 211 + 220 + 220 + 1 + 12 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 452766148641 + 1659436052481 = 672879^2 + 1288191^2 .

It is a super-2 number, since 2×2112202201122² (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 junction number, because it is equal to n+sod(n) for n = 2112202201095 and 2112202201104.

It is not an unprimeable number, because it can be changed into a prime (2112202201127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2423668 + ... + 3177824.

Almost surely, 2^{2112202201122} is an apocalyptic number.

2112202201122 is an abundant number, since it is smaller than the sum of its proper divisors (2816687906838).

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

2112202201122 is a wasteful number, since it uses less digits than its factorization.

2112202201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766147 (or 766144 counting only the distinct ones).

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

Adding to 2112202201122 its reverse (2211022022112), we get a palindrome (4323224223234).

The spelling of 2112202201122 in words is "two trillion, one hundred twelve billion, two hundred two million, two hundred one thousand, one hundred twenty-two".