111200120100002 has 16 divisors (see below), whose sum is σ = 167498619473592. Its totient is φ = 55367264359680.

The previous prime is 111200120100001. The next prime is 111200120100011. The reversal of 111200120100002 is 200001021002111.

It can be written as a sum of positive squares in 4 ways, for example, as 103192867075321 + 8007253024681 = 10158389^2 + 2829709^2 .

It is not an unprimeable number, because it can be changed into a prime (111200120100001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8467208 + ... + 17149164.

Almost surely, 2^{111200120100002} is an apocalyptic number.

111200120100002 is a deficient number, since it is larger than the sum of its proper divisors (56298499373590).

111200120100002 is a wasteful number, since it uses less digits than its factorization.

111200120100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708773.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111200120100002 its reverse (200001021002111), we get a palindrome (311201141102113).

The spelling of 111200120100002 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty million, one hundred thousand, two".