11221102004 has 24 divisors (see below), whose sum is σ = 23623373760. Its totient is φ = 4555935936.

The previous prime is 11221102001. The next prime is 11221102019. The reversal of 11221102004 is 40020112211.

It is a happy number.

It is a super-4 number, since 4×11221102004⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 11221102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10545617 + ... + 10546680.

It is an arithmetic number, because the mean of its divisors is an integer number (984307240).

Almost surely, 2^11221102004 is an apocalyptic number.

11221102004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11221102004 is an abundant number, since it is smaller than the sum of its proper divisors (12402271756).

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

11221102004 is a wasteful number, since it uses less digits than its factorization.

11221102004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21092327 (or 21092325 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11221102004 its reverse (40020112211), we get a palindrome (51241214215).

The spelling of 11221102004 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, four".