2112111221122 has 64 divisors (see below), whose sum is σ = 3767064698880. Its totient is φ = 868985941824.

The previous prime is 2112111221119. The next prime is 2112111221131. The reversal of 2112111221122 is 2211221112112.

It is a happy number.

It is a super-2 number, since 2×2112111221122² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2112111221122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53177923 + ... + 53217625.

It is an arithmetic number, because the mean of its divisors is an integer number (58860385920).

Almost surely, 2^{2112111221122} is an apocalyptic number.

2112111221122 is a deficient number, since it is larger than the sum of its proper divisors (1654953477758).

2112111221122 is a wasteful number, since it uses less digits than its factorization.

2112111221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40487.

The product of its digits is 64, while the sum is 19.

Adding to 2112111221122 its reverse (2211221112112), we get a palindrome (4323332333234).

The spelling of 2112111221122 in words is "two trillion, one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".