2122111121122 has 16 divisors (see below), whose sum is σ = 3243375587520. Its totient is φ = 1040987766832.

The previous prime is 2122111121101. The next prime is 2122111121161. The reversal of 2122111121122 is 2211211112212.

It is a happy number.

It is a super-2 number, since 2×2122111121122² (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 2122111121122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912779 + ... + 2811217.

It is an arithmetic number, because the mean of its divisors is an integer number (202710974220).

Almost surely, 2^{2122111121122} is an apocalyptic number.

2122111121122 is a deficient number, since it is larger than the sum of its proper divisors (1121264466398).

2122111121122 is a wasteful number, since it uses less digits than its factorization.

2122111121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920777.

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

Adding to 2122111121122 its reverse (2211211112212), we get a palindrome (4333322233334).

The spelling of 2122111121122 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".