2122122121122 has 32 divisors (see below), whose sum is σ = 4251345724800. Its totient is φ = 706190986368.

The previous prime is 2122122121111. The next prime is 2122122121123. The reversal of 2122122121122 is 2211212212212.

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 (2122122121123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16650483 + ... + 16777449.

It is an arithmetic number, because the mean of its divisors is an integer number (132854553900).

Almost surely, 2^{2122122121122} is an apocalyptic number.

2122122121122 is an abundant number, since it is smaller than the sum of its proper divisors (2129223603678).

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

2122122121122 is a wasteful number, since it uses less digits than its factorization.

2122122121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131610.

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

Adding to 2122122121122 its reverse (2211212212212), we get a palindrome (4333334333334).

The spelling of 2122122121122 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".