111212221102202 has 64 divisors (see below), whose sum is σ = 189046443594240. Its totient is φ = 48604017638400.

The previous prime is 111212221102153. The next prime is 111212221102217. The reversal of 111212221102202 is 202201122212111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197312927 + ... + 197875757.

It is an arithmetic number, because the mean of its divisors is an integer number (2953850681160).

Almost surely, 2^{111212221102202} is an apocalyptic number.

111212221102202 is a deficient number, since it is larger than the sum of its proper divisors (77834222492038).

111212221102202 is a wasteful number, since it uses less digits than its factorization.

111212221102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564167.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111212221102202 its reverse (202201122212111), we get a palindrome (313413343314313).

The spelling of 111212221102202 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred two".