213331022023021 has 8 divisors (see below), whose sum is σ = 258148463624640. Its totient is φ = 172098975749568.

The previous prime is 213331022022973. The next prime is 213331022023073. The reversal of 213331022023021 is 120320220133312.

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

It is a de Polignac number, because none of the positive numbers 2^k-213331022023021 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 (213331022023321) 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, 896348831911 + ... + 896348832148.

It is an arithmetic number, because the mean of its divisors is an integer number (32268557953080).

Almost surely, 2^{213331022023021} is an apocalyptic number.

It is an amenable number.

213331022023021 is a deficient number, since it is larger than the sum of its proper divisors (44817441601619).

213331022023021 is a wasteful number, since it uses less digits than its factorization.

213331022023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792697664083.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213331022023021 its reverse (120320220133312), we get a palindrome (333651242156333).

The spelling of 213331022023021 in words is "two hundred thirteen trillion, three hundred thirty-one billion, twenty-two million, twenty-three thousand, twenty-one".