2122221112122 has 32 divisors (see below), whose sum is σ = 4318004712960. Its totient is φ = 695155638320.

The previous prime is 2122221112103. The next prime is 2122221112127. The reversal of 2122221112122 is 2212111222212.

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

It is not an unprimeable number, because it can be changed into a prime (2122221112127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182904 + ... + 2068307.

It is an arithmetic number, because the mean of its divisors is an integer number (134937647280).

Almost surely, 2^{2122221112122} is an apocalyptic number.

2122221112122 is an abundant number, since it is smaller than the sum of its proper divisors (2195783600838).

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

2122221112122 is a wasteful number, since it uses less digits than its factorization.

2122221112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253938.

The product of its digits is 256, while the sum is 21.

Adding to 2122221112122 its reverse (2212111222212), we get a palindrome (4334332334334).

The spelling of 2122221112122 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".