21214402204330 has 16 divisors (see below), whose sum is σ = 38438810884224. Its totient is φ = 8429563789200.

The previous prime is 21214402204327. The next prime is 21214402204409. The reversal of 21214402204330 is 3340220441212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7024634982 + ... + 7024638001.

It is an arithmetic number, because the mean of its divisors is an integer number (2402425680264).

Almost surely, 2^{21214402204330} is an apocalyptic number.

21214402204330 is a deficient number, since it is larger than the sum of its proper divisors (17224408679894).

21214402204330 is a wasteful number, since it uses less digits than its factorization.

21214402204330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14049273141.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 21214402204330 its reverse (3340220441212), we get a palindrome (24554622645542).

The spelling of 21214402204330 in words is "twenty-one trillion, two hundred fourteen billion, four hundred two million, two hundred four thousand, three hundred thirty".