21130411214 has 16 divisors (see below), whose sum is σ = 36396881280. Its totient is φ = 9099219960.

The previous prime is 21130411193. The next prime is 21130411261. The reversal of 21130411214 is 41211403112.

It is a congruent number.

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, 25275194 + ... + 25276029.

It is an arithmetic number, because the mean of its divisors is an integer number (2274805080).

Almost surely, 2^21130411214 is an apocalyptic number.

21130411214 is a deficient number, since it is larger than the sum of its proper divisors (15266470066).

21130411214 is a wasteful number, since it uses less digits than its factorization.

21130411214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50551255.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21130411214 its reverse (41211403112), we get a palindrome (62341814326).

The spelling of 21130411214 in words is "twenty-one billion, one hundred thirty million, four hundred eleven thousand, two hundred fourteen".