111012221100002 has 16 divisors (see below), whose sum is σ = 175510538243640. Its totient is φ = 52580934911232.

The previous prime is 111012221099977. The next prime is 111012221100019. The reversal of 111012221100002 is 200001122210111.

It can be written as a sum of positive squares in 4 ways, for example, as 110832488345401 + 179732754601 = 10527701^2 + 423949^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111012221100002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18056636663 + ... + 18056642810.

Almost surely, 2^{111012221100002} is an apocalyptic number.

111012221100002 is a deficient number, since it is larger than the sum of its proper divisors (64498317143638).

111012221100002 is a wasteful number, since it uses less digits than its factorization.

111012221100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36113279557.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111012221100002 its reverse (200001122210111), we get a palindrome (311013343310113).

The spelling of 111012221100002 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-one million, one hundred thousand, two".