11421113320999 has 4 divisors (see below), whose sum is σ = 12022224548440. Its totient is φ = 10820002093560.

The previous prime is 11421113320997. The next prime is 11421113321027. The reversal of 11421113320999 is 99902331112411.

11421113320999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11421113320999 - 2¹ = 11421113320997 is a prime.

It is a super-2 number, since 2×11421113320999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421113320997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300555613692 + ... + 300555613729.

It is an arithmetic number, because the mean of its divisors is an integer number (3005556137110).

Almost surely, 2^{11421113320999} is an apocalyptic number.

11421113320999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11421113320999 is a deficient number, since it is larger than the sum of its proper divisors (601111227441).

11421113320999 is an equidigital number, since it uses as much as digits as its factorization.

11421113320999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601111227440.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 11421113320999 in words is "eleven trillion, four hundred twenty-one billion, one hundred thirteen million, three hundred twenty thousand, nine hundred ninety-nine".