111020106805874 has 48 divisors (see below), whose sum is σ = 194334084258048. Its totient is φ = 47429005333248.

The previous prime is 111020106805873. The next prime is 111020106805877. The reversal of 111020106805874 is 478508601020111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111020106805873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100708427 + ... + 101804849.

It is an arithmetic number, because the mean of its divisors is an integer number (4048626755376).

Almost surely, 2^{111020106805874} is an apocalyptic number.

111020106805874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111020106805874 is a deficient number, since it is larger than the sum of its proper divisors (83313977452174).

111020106805874 is a wasteful number, since it uses less digits than its factorization.

111020106805874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099719 (or 1099712 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 44.

Adding to 111020106805874 its reverse (478508601020111), we get a palindrome (589528707825985).

The spelling of 111020106805874 in words is "one hundred eleven trillion, twenty billion, one hundred six million, eight hundred five thousand, eight hundred seventy-four".