21821476114 has 16 divisors (see below), whose sum is σ = 35145778176. Its totient is φ = 10124296000.

The previous prime is 21821476109. The next prime is 21821476129. The reversal of 21821476114 is 41167412812.

It is a happy 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, 4517362 + ... + 4522189.

It is an arithmetic number, because the mean of its divisors is an integer number (2196611136).

Almost surely, 2^21821476114 is an apocalyptic number.

21821476114 is a deficient number, since it is larger than the sum of its proper divisors (13324302062).

21821476114 is a wasteful number, since it uses less digits than its factorization.

21821476114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9039641.

The product of its digits is 21504, while the sum is 37.

Adding to 21821476114 its reverse (41167412812), we get a palindrome (62988888926).

The spelling of 21821476114 in words is "twenty-one billion, eight hundred twenty-one million, four hundred seventy-six thousand, one hundred fourteen".