11222211194 has 8 divisors (see below), whose sum is σ = 16987751220. Its totient is φ = 5559627456.

The previous prime is 11222211193. The next prime is 11222211199. The reversal of 11222211194 is 49111222211.

It can be written as a sum of positive squares in 2 ways, for example, as 9961038025 + 1261173169 = 99805^2 + 35513^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11222211193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25738799 + ... + 25739234.

Almost surely, 2^11222211194 is an apocalyptic number.

11222211194 is a deficient number, since it is larger than the sum of its proper divisors (5765540026).

11222211194 is a wasteful number, since it uses less digits than its factorization.

11222211194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51478144.

The product of its digits is 576, while the sum is 26.

The spelling of 11222211194 in words is "eleven billion, two hundred twenty-two million, two hundred eleven thousand, one hundred ninety-four".