111100222122202 has 8 divisors (see below), whose sum is σ = 166780834622676. Its totient is φ = 55506610581312.

The previous prime is 111100222122173. The next prime is 111100222122247. The reversal of 111100222122202 is 202221222001111.

It can be written as a sum of positive squares in 2 ways, for example, as 108944725400281 + 2155496721921 = 10437659^2 + 1468161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111100222122202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21750236703 + ... + 21750241810.

Almost surely, 2^{111100222122202} is an apocalyptic number.

111100222122202 is a deficient number, since it is larger than the sum of its proper divisors (55680612500474).

111100222122202 is a wasteful number, since it uses less digits than its factorization.

111100222122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43500479792.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111100222122202 its reverse (202221222001111), we get a palindrome (313321444123313).

The spelling of 111100222122202 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred two".