21342411203 has 8 divisors (see below), whose sum is σ = 21408401472. Its totient is φ = 21276464256.

The previous prime is 21342411179. The next prime is 21342411221. The reversal of 21342411203 is 30211424312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21342411203 - 2¹⁰ = 21342410179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21342416203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171601 + ... + 1189677.

It is an arithmetic number, because the mean of its divisors is an integer number (2676050184).

Almost surely, 2^21342411203 is an apocalyptic number.

21342411203 is a deficient number, since it is larger than the sum of its proper divisors (65990269).

21342411203 is a wasteful number, since it uses less digits than its factorization.

21342411203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21342411203 its reverse (30211424312), we get a palindrome (51553835515).

The spelling of 21342411203 in words is "twenty-one billion, three hundred forty-two million, four hundred eleven thousand, two hundred three".