21214130203 has 8 divisors (see below), whose sum is σ = 24606582272. Its totient is φ = 17912143656.

The previous prime is 21214130191. The next prime is 21214130233. The reversal of 21214130203 is 30203141212.

It is a happy number.

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 21214130203 - 2¹³ = 21214122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21214130233) 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, 22615875 + ... + 22616812.

It is an arithmetic number, because the mean of its divisors is an integer number (3075822784).

Almost surely, 2^21214130203 is an apocalyptic number.

21214130203 is a deficient number, since it is larger than the sum of its proper divisors (3392452069).

21214130203 is an equidigital number, since it uses as much as digits as its factorization.

21214130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45232761.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21214130203 its reverse (30203141212), we get a palindrome (51417271415).

The spelling of 21214130203 in words is "twenty-one billion, two hundred fourteen million, one hundred thirty thousand, two hundred three".