111101011122122 has 32 divisors (see below), whose sum is σ = 190911297600000. Its totient is φ = 47501684450928.

The previous prime is 111101011122119. The next prime is 111101011122151. The reversal of 111101011122122 is 221221110101111.

It is a self number, because there is not a number n which added to its sum of digits gives 111101011122122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15909053 + ... + 21801375.

It is an arithmetic number, because the mean of its divisors is an integer number (5965978050000).

Almost surely, 2^{111101011122122} is an apocalyptic number.

111101011122122 is a deficient number, since it is larger than the sum of its proper divisors (79810286477878).

111101011122122 is a wasteful number, since it uses less digits than its factorization.

111101011122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895530.

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

Adding to 111101011122122 its reverse (221221110101111), we get a palindrome (332322121223233).

The spelling of 111101011122122 in words is "one hundred eleven trillion, one hundred one billion, eleven million, one hundred twenty-two thousand, one hundred twenty-two".