11121111012122 has 16 divisors (see below), whose sum is σ = 17235336655680. Its totient is φ = 5378509769472.

The previous prime is 11121111012103. The next prime is 11121111012191. The reversal of 11121111012122 is 22121011112111.

It is a super-2 number, since 2×11121111012122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11121111012122.

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, 627735047 + ... + 627752762.

It is an arithmetic number, because the mean of its divisors is an integer number (1077208540980).

Almost surely, 2^{11121111012122} is an apocalyptic number.

11121111012122 is a deficient number, since it is larger than the sum of its proper divisors (6114225643558).

11121111012122 is a wasteful number, since it uses less digits than its factorization.

11121111012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255487957.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11121111012122 its reverse (22121011112111), we get a palindrome (33242122124233).

The spelling of 11121111012122 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, twelve thousand, one hundred twenty-two".