111151666122 has 16 divisors (see below), whose sum is σ = 254060951232. Its totient is φ = 31757618880.

The previous prime is 111151666103. The next prime is 111151666123. The reversal of 111151666122 is 221666151111.

It is not an unprimeable number, because it can be changed into a prime (111151666123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323234079 + ... + 1323234162.

It is an arithmetic number, because the mean of its divisors is an integer number (15878809452).

Almost surely, 2^111151666122 is an apocalyptic number.

111151666122 is an abundant number, since it is smaller than the sum of its proper divisors (142909285110).

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

111151666122 is a wasteful number, since it uses less digits than its factorization.

111151666122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646468253.

The product of its digits is 4320, while the sum is 33.

The spelling of 111151666122 in words is "one hundred eleven billion, one hundred fifty-one million, six hundred sixty-six thousand, one hundred twenty-two".