21332211214 has 4 divisors (see below), whose sum is σ = 31998316824. Its totient is φ = 10666105606.

The previous prime is 21332211179. The next prime is 21332211311. The reversal of 21332211214 is 41211223312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333052802 + ... + 5333052805.

It is an arithmetic number, because the mean of its divisors is an integer number (7999579206).

Almost surely, 2^21332211214 is an apocalyptic number.

21332211214 is a deficient number, since it is larger than the sum of its proper divisors (10666105610).

21332211214 is a wasteful number, since it uses less digits than its factorization.

21332211214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666105609.

The product of its digits is 576, while the sum is 22.

Adding to 21332211214 its reverse (41211223312), we get a palindrome (62543434526).

The spelling of 21332211214 in words is "twenty-one billion, three hundred thirty-two million, two hundred eleven thousand, two hundred fourteen".