21202332023213 has 8 divisors (see below), whose sum is σ = 23137227817536. Its totient is φ = 19268671406400.

The previous prime is 21202332023189. The next prime is 21202332023261. The reversal of 21202332023213 is 31232023320212.

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 21202332023213 - 2¹⁴ = 21202332006829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202332023513) 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, 308758481 + ... + 308827142.

It is an arithmetic number, because the mean of its divisors is an integer number (2892153477192).

Almost surely, 2^{21202332023213} is an apocalyptic number.

It is an amenable number.

21202332023213 is a deficient number, since it is larger than the sum of its proper divisors (1934895794323).

21202332023213 is a wasteful number, since it uses less digits than its factorization.

21202332023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617588755.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21202332023213 its reverse (31232023320212), we get a palindrome (52434355343425).

The spelling of 21202332023213 in words is "twenty-one trillion, two hundred two billion, three hundred thirty-two million, twenty-three thousand, two hundred thirteen".