11321421321004 has 24 divisors (see below), whose sum is σ = 20091889018656. Its totient is φ = 5580884400000.

The previous prime is 11321421320939. The next prime is 11321421321013. The reversal of 11321421321004 is 40012312412311.

It is a self number, because there is not a number n which added to its sum of digits gives 11321421321004.

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, 17454504 + ... + 18091504.

It is an arithmetic number, because the mean of its divisors is an integer number (837162042444).

Almost surely, 2^{11321421321004} is an apocalyptic number.

It is an amenable number.

11321421321004 is a deficient number, since it is larger than the sum of its proper divisors (8770467697652).

11321421321004 is a wasteful number, since it uses less digits than its factorization.

11321421321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699657 (or 699655 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11321421321004 its reverse (40012312412311), we get a palindrome (51333733733315).

The spelling of 11321421321004 in words is "eleven trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred twenty-one thousand, four".