11220009994 has 4 divisors (see below), whose sum is σ = 16830014994. Its totient is φ = 5610004996.

The previous prime is 11220009949. The next prime is 11220010001. The reversal of 11220009994 is 49990002211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10151570025 + 1068439969 = 100755^2 + 32687^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805002497 + ... + 2805002500.

Almost surely, 2^11220009994 is an apocalyptic number.

11220009994 is a deficient number, since it is larger than the sum of its proper divisors (5610005000).

11220009994 is an equidigital number, since it uses as much as digits as its factorization.

11220009994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610004999.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 11220009994 in words is "eleven billion, two hundred twenty million, nine thousand, nine hundred ninety-four".