111112100122 has 8 divisors (see below), whose sum is σ = 167122287936. Its totient is φ = 55404670812.

The previous prime is 111112100101. The next prime is 111112100159. The reversal of 111112100122 is 221001211111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 75688708 + ... + 75690175.

It is an arithmetic number, because the mean of its divisors is an integer number (20890285992).

Almost surely, 2^111112100122 is an apocalyptic number.

111112100122 is a deficient number, since it is larger than the sum of its proper divisors (56010187814).

111112100122 is a wasteful number, since it uses less digits than its factorization.

111112100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151379252.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111112100122 its reverse (221001211111), we get a palindrome (332113311233).

The spelling of 111112100122 in words is "one hundred eleven billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".