11111110122 has 16 divisors (see below), whose sum is σ = 25396823232. Its totient is φ = 3174602880.

The previous prime is 11111110103. The next prime is 11111110133. The reversal of 11111110122 is 22101111111.

It is a junction number, because it is equal to n+sod(n) for n = 11111110098 and 11111110107.

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, 132275079 + ... + 132275162.

It is an arithmetic number, because the mean of its divisors is an integer number (1587301452).

Almost surely, 2^11111110122 is an apocalyptic number.

11111110122 is an abundant number, since it is smaller than the sum of its proper divisors (14285713110).

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

11111110122 is a wasteful number, since it uses less digits than its factorization.

11111110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264550253.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111110122 its reverse (22101111111), we get a palindrome (33212221233).

The spelling of 11111110122 in words is "eleven billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-two".