11121121122122 has 16 divisors (see below), whose sum is σ = 18200487279744. Its totient is φ = 5054419200000.

The previous prime is 11121121122091. The next prime is 11121121122149. The reversal of 11121121122122 is 22122112112111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11121121122094 and 11121121122103.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31613879 + ... + 31963722.

It is an arithmetic number, because the mean of its divisors is an integer number (1137530454984).

Almost surely, 2^{11121121122122} is an apocalyptic number.

11121121122122 is a deficient number, since it is larger than the sum of its proper divisors (7079366157622).

11121121122122 is a wasteful number, since it uses less digits than its factorization.

11121121122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63585565.

The product of its digits is 64, while the sum is 20.

Adding to 11121121122122 its reverse (22122112112111), we get a palindrome (33243233234233).

The spelling of 11121121122122 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".