11314203442421 has 4 divisors (see below), whose sum is σ = 12342767391744. Its totient is φ = 10285639493100.

The previous prime is 11314203442417. The next prime is 11314203442429. The reversal of 11314203442421 is 12424430241311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11314203442421 - 2² = 11314203442417 is a prime.

It is a super-2 number, since 2×11314203442421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11314203442429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514281974645 + ... + 514281974666.

It is an arithmetic number, because the mean of its divisors is an integer number (3085691847936).

Almost surely, 2^{11314203442421} is an apocalyptic number.

11314203442421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11314203442421 is a deficient number, since it is larger than the sum of its proper divisors (1028563949323).

11314203442421 is a wasteful number, since it uses less digits than its factorization.

11314203442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028563949322.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 11314203442421 its reverse (12424430241311), we get a palindrome (23738633683732).

The spelling of 11314203442421 in words is "eleven trillion, three hundred fourteen billion, two hundred three million, four hundred forty-two thousand, four hundred twenty-one".