111110120100002 has 4 divisors (see below), whose sum is σ = 166665180150006. Its totient is φ = 55555060050000.

The previous prime is 111110120099983. The next prime is 111110120100037. The reversal of 111110120100002 is 200001021011111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110932102769761 + 178017330241 = 10532431^2 + 421921^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27777530024999 + ... + 27777530025002.

Almost surely, 2^{111110120100002} is an apocalyptic number.

111110120100002 is a deficient number, since it is larger than the sum of its proper divisors (55555060050004).

111110120100002 is an equidigital number, since it uses as much as digits as its factorization.

111110120100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55555060050003.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111110120100002 its reverse (200001021011111), we get a palindrome (311111141111113).

The spelling of 111110120100002 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty million, one hundred thousand, two".