21332013022 has 4 divisors (see below), whose sum is σ = 31998019536. Its totient is φ = 10666006510.

The previous prime is 21332013019. The next prime is 21332013023. The reversal of 21332013022 is 22031023312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332013023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333003254 + ... + 5333003257.

It is an arithmetic number, because the mean of its divisors is an integer number (7999504884).

Almost surely, 2^21332013022 is an apocalyptic number.

21332013022 is a deficient number, since it is larger than the sum of its proper divisors (10666006514).

21332013022 is a wasteful number, since it uses less digits than its factorization.

21332013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666006513.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21332013022 its reverse (22031023312), we get a palindrome (43363036334).

The spelling of 21332013022 in words is "twenty-one billion, three hundred thirty-two million, thirteen thousand, twenty-two".