213132234213021 has 8 divisors (see below), whose sum is σ = 296531804122560. Its totient is φ = 135910410222752.

The previous prime is 213132234212999. The next prime is 213132234213043. The reversal of 213132234213021 is 120312432231312.

It is an interprime number because it is at equal distance from previous prime (213132234212999) and next prime (213132234213043).

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 213132234213021 - 2⁷ = 213132234212893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213132234213021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213132234283021) 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, 1544436479736 + ... + 1544436479873.

It is an arithmetic number, because the mean of its divisors is an integer number (37066475515320).

Almost surely, 2^{213132234213021} is an apocalyptic number.

It is an amenable number.

213132234213021 is a deficient number, since it is larger than the sum of its proper divisors (83399569909539).

213132234213021 is a wasteful number, since it uses less digits than its factorization.

213132234213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088872959635.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 213132234213021 its reverse (120312432231312), we get a palindrome (333444666444333).

The spelling of 213132234213021 in words is "two hundred thirteen trillion, one hundred thirty-two billion, two hundred thirty-four million, two hundred thirteen thousand, twenty-one".