21114320003 has 4 divisors (see below), whose sum is σ = 24130651440. Its totient is φ = 18097988568.

The previous prime is 21114319979. The next prime is 21114320021. The reversal of 21114320003 is 30002341112.

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 21114320003 - 2⁶ = 21114319939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21114320023) 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, 1508165708 + ... + 1508165721.

It is an arithmetic number, because the mean of its divisors is an integer number (6032662860).

Almost surely, 2^21114320003 is an apocalyptic number.

21114320003 is a deficient number, since it is larger than the sum of its proper divisors (3016331437).

21114320003 is an equidigital number, since it uses as much as digits as its factorization.

21114320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016331436.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21114320003 its reverse (30002341112), we get a palindrome (51116661115).

The spelling of 21114320003 in words is "twenty-one billion, one hundred fourteen million, three hundred twenty thousand, three".