11221120004 has 24 divisors (see below), whose sum is σ = 19743228960. Its totient is φ = 5580279936.

The previous prime is 11221119989. The next prime is 11221120019. The reversal of 11221120004 is 40002112211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11221119989) and next prime (11221120019).

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, 554879 + ... + 574745.

It is an arithmetic number, because the mean of its divisors is an integer number (822634540).

Almost surely, 2^11221120004 is an apocalyptic number.

It is an amenable number.

11221120004 is a deficient number, since it is larger than the sum of its proper divisors (8522108956).

11221120004 is a wasteful number, since it uses less digits than its factorization.

11221120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20627 (or 20625 counting only the distinct ones).

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

Adding to 11221120004 its reverse (40002112211), we get a palindrome (51223232215).

The spelling of 11221120004 in words is "eleven billion, two hundred twenty-one million, one hundred twenty thousand, four".