232213100011021 has 4 divisors (see below), whose sum is σ = 233051414451772. Its totient is φ = 231374785570272.

The previous prime is 232213100011019. The next prime is 232213100011033. The reversal of 232213100011021 is 120110001312232.

232213100011021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144916573896900 + 87296526114121 = 12038130^2 + 9343261^2 .

It is a cyclic number.

It is not a de Polignac number, because 232213100011021 - 2¹ = 232213100011019 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 232213100011021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232213100011721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419157219960 + ... + 419157220513.

It is an arithmetic number, because the mean of its divisors is an integer number (58262853612943).

Almost surely, 2^{232213100011021} is an apocalyptic number.

It is an amenable number.

232213100011021 is a deficient number, since it is larger than the sum of its proper divisors (838314440751).

232213100011021 is an equidigital number, since it uses as much as digits as its factorization.

232213100011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838314440750.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 232213100011021 its reverse (120110001312232), we get a palindrome (352323101323253).

The spelling of 232213100011021 in words is "two hundred thirty-two trillion, two hundred thirteen billion, one hundred million, eleven thousand, twenty-one".