11222121111994 has 16 divisors (see below), whose sum is σ = 18143237187432. Its totient is φ = 5175098972928.

The previous prime is 11222121111989. The next prime is 11222121112021. The reversal of 11222121111994 is 49911112122211.

11222121111994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6286778949025 + 4935342162969 = 2507345^2 + 2221563^2 .

It is a super-2 number, since 2×11222121111994² (a number of 27 digits) contains 22 as substring.

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, 180865899 + ... + 180927934.

Almost surely, 2^{11222121111994} is an apocalyptic number.

11222121111994 is a deficient number, since it is larger than the sum of its proper divisors (6921116075438).

11222121111994 is a wasteful number, since it uses less digits than its factorization.

11222121111994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361795041.

The product of its digits is 5184, while the sum is 37.

The spelling of 11222121111994 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, nine hundred ninety-four".