11221004394 has 96 divisors (see below), whose sum is σ = 27280365840. Its totient is φ = 3315916800.

The previous prime is 11221004371. The next prime is 11221004407. The reversal of 11221004394 is 49340012211.

It is a happy number.

11221004394 is a `hidden beast` number, since 1 + 1 + 221 + 0 + 0 + 439 + 4 = 666.

11221004394 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 8 ways, for example, as 6067631025 + 5153373369 = 77895^2 + 71787^2 .

It is a super-2 number, since 2×11221004394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348414 + ... + 379254.

Almost surely, 2^11221004394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221004394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13640182920).

11221004394 is an abundant number, since it is smaller than the sum of its proper divisors (16059361446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221004394 is a wasteful number, since it uses less digits than its factorization.

11221004394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30936 (or 30933 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 11221004394 in words is "eleven billion, two hundred twenty-one million, four thousand, three hundred ninety-four".