11314020421 has 32 divisors (see below), whose sum is σ = 13870638720. Its totient is φ = 9170599680.

The previous prime is 11314020409. The next prime is 11314020437. The reversal of 11314020421 is 12402041311.

It is not a de Polignac number, because 11314020421 - 2⁹ = 11314019909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11314020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416755 + ... + 443071.

It is an arithmetic number, because the mean of its divisors is an integer number (433457460).

Almost surely, 2^11314020421 is an apocalyptic number.

11314020421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11314020421 is a deficient number, since it is larger than the sum of its proper divisors (2556618299).

11314020421 is a wasteful number, since it uses less digits than its factorization.

11314020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26386 (or 26364 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11314020421 its reverse (12402041311), we get a palindrome (23716061732).

The spelling of 11314020421 in words is "eleven billion, three hundred fourteen million, twenty thousand, four hundred twenty-one".