11112120122 has 8 divisors (see below), whose sum is σ = 16680324276. Its totient is φ = 5552012032.

The previous prime is 11112120109. The next prime is 11112120133. The reversal of 11112120122 is 22102121111.

It can be written as a sum of positive squares in 2 ways, for example, as 10559823121 + 552297001 = 102761^2 + 23501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11112120097 and 11112120106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020583 + ... + 2026074.

Almost surely, 2^11112120122 is an apocalyptic number.

11112120122 is a deficient number, since it is larger than the sum of its proper divisors (5568204154).

11112120122 is a wasteful number, since it uses less digits than its factorization.

11112120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048032.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112120122 its reverse (22102121111), we get a palindrome (33214241233).

The spelling of 11112120122 in words is "eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-two".