111101101111122 has 32 divisors (see below), whose sum is σ = 226060915037760. Its totient is φ = 36391095866880.

The previous prime is 111101101111087. The next prime is 111101101111139. The reversal of 111101101111122 is 221111101101111.

It is a happy number.

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, 63422023 + ... + 65150250.

It is an arithmetic number, because the mean of its divisors is an integer number (7064403594930).

Almost surely, 2^{111101101111122} is an apocalyptic number.

111101101111122 is an abundant number, since it is smaller than the sum of its proper divisors (114959813926638).

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

111101101111122 is a wasteful number, since it uses less digits than its factorization.

111101101111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128574778.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 111101101111122 its reverse (221111101101111), we get a palindrome (332212202212233).

The spelling of 111101101111122 in words is "one hundred eleven trillion, one hundred one billion, one hundred one million, one hundred eleven thousand, one hundred twenty-two".