21332120221013 has 8 divisors (see below), whose sum is σ = 25662701017920. Its totient is φ = 17322323186880.

The previous prime is 21332120221003. The next prime is 21332120221121. The reversal of 21332120221013 is 31012202123312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21332120221013 - 2³⁶ = 21263400744277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21332120221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332120221003) 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, 80195940548 + ... + 80195940813.

It is an arithmetic number, because the mean of its divisors is an integer number (3207837627240).

Almost surely, 2^{21332120221013} is an apocalyptic number.

It is an amenable number.

21332120221013 is a deficient number, since it is larger than the sum of its proper divisors (4330580796907).

21332120221013 is a wasteful number, since it uses less digits than its factorization.

21332120221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160391881387.

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

Adding to 21332120221013 its reverse (31012202123312), we get a palindrome (52344322344325).

The spelling of 21332120221013 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred twenty million, two hundred twenty-one thousand, thirteen".