111111100001122 has 64 divisors (see below), whose sum is σ = 196693715635200. Its totient is φ = 46608939336960.

The previous prime is 111111100001087. The next prime is 111111100001123. The reversal of 111111100001122 is 221100001111111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111111100001123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22451154 + ... + 26949517.

It is an arithmetic number, because the mean of its divisors is an integer number (3073339306800).

Almost surely, 2^{111111100001122} is an apocalyptic number.

111111100001122 is a deficient number, since it is larger than the sum of its proper divisors (85582615634078).

111111100001122 is a wasteful number, since it uses less digits than its factorization.

111111100001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49400891.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111111100001122 its reverse (221100001111111), we get a palindrome (332211101112233).

The spelling of 111111100001122 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred million, one thousand, one hundred twenty-two".