21233213114 has 16 divisors (see below), whose sum is σ = 32080293000. Its totient is φ = 10539856704.

The previous prime is 21233213107. The next prime is 21233213153. The reversal of 21233213114 is 41131233212.

It can be written as a sum of positive squares in 4 ways, for example, as 13582737025 + 7650476089 = 116545^2 + 87467^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21233213114.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587084 + ... + 622200.

Almost surely, 2^21233213114 is an apocalyptic number.

21233213114 is a deficient number, since it is larger than the sum of its proper divisors (10847079886).

21233213114 is a wasteful number, since it uses less digits than its factorization.

21233213114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37297.

The product of its digits is 864, while the sum is 23.

Adding to 21233213114 its reverse (41131233212), we get a palindrome (62364446326).

The spelling of 21233213114 in words is "twenty-one billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred fourteen".