21214201314430 has 16 divisors (see below), whose sum is σ = 38291928841440. Its totient is φ = 8462043531232.

The previous prime is 21214201314409. The next prime is 21214201314433. The reversal of 21214201314430 is 3441310241212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214201314433) 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, 2954620549 + ... + 2954627728.

It is an arithmetic number, because the mean of its divisors is an integer number (2393245552590).

Almost surely, 2^{21214201314430} is an apocalyptic number.

21214201314430 is a deficient number, since it is larger than the sum of its proper divisors (17077727527010).

21214201314430 is a wasteful number, since it uses less digits than its factorization.

21214201314430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909248643.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 21214201314430 its reverse (3441310241212), we get a palindrome (24655511555642).

The spelling of 21214201314430 in words is "twenty-one trillion, two hundred fourteen billion, two hundred one million, three hundred fourteen thousand, four hundred thirty".