111212002102202 has 16 divisors (see below), whose sum is σ = 172842762428712. Its totient is φ = 53624347338240.

The previous prime is 111212002102199. The next prime is 111212002102219. The reversal of 111212002102202 is 202201200212111.

It can be written as a sum of positive squares in 4 ways, for example, as 47975169340921 + 63236832761281 = 6926411^2 + 7952159^2 .

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, 6649836299 + ... + 6649853022.

Almost surely, 2^{111212002102202} is an apocalyptic number.

111212002102202 is a deficient number, since it is larger than the sum of its proper divisors (61630760326510).

111212002102202 is a wasteful number, since it uses less digits than its factorization.

111212002102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299689473.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111212002102202 its reverse (202201200212111), we get a palindrome (313413202314313).

The spelling of 111212002102202 in words is "one hundred eleven trillion, two hundred twelve billion, two million, one hundred two thousand, two hundred two".