213302422421 has 8 divisors (see below), whose sum is σ = 232710783744. Its totient is φ = 193896933120.

The previous prime is 213302422409. The next prime is 213302422471. The reversal of 213302422421 is 124224203312.

213302422421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213302422421 - 2⁶ = 213302422357 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 (213302422471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561221 + ... + 861146.

It is an arithmetic number, because the mean of its divisors is an integer number (29088847968).

Almost surely, 2^213302422421 is an apocalyptic number.

It is an amenable number.

213302422421 is a deficient number, since it is larger than the sum of its proper divisors (19408361323).

213302422421 is a wasteful number, since it uses less digits than its factorization.

213302422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436011.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 213302422421 its reverse (124224203312), we get a palindrome (337526625733).

The spelling of 213302422421 in words is "two hundred thirteen billion, three hundred two million, four hundred twenty-two thousand, four hundred twenty-one".