111122122101018 has 64 divisors (see below), whose sum is σ = 254063324086272. Its totient is φ = 31740441347520.

The previous prime is 111122122101017. The next prime is 111122122101043. The reversal of 111122122101018 is 810101221221111.

It is not an unprimeable number, because it can be changed into a prime (111122122101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2712061180 + ... + 2712102152.

It is an arithmetic number, because the mean of its divisors is an integer number (3969739438848).

Almost surely, 2^{111122122101018} is an apocalyptic number.

111122122101018 is an abundant number, since it is smaller than the sum of its proper divisors (142941201985254).

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

111122122101018 is a wasteful number, since it uses less digits than its factorization.

111122122101018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57179.

The product of its (nonzero) digits is 128, while the sum is 24.

Adding to 111122122101018 its reverse (810101221221111), we get a palindrome (921223343322129).

The spelling of 111122122101018 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred one thousand, eighteen".