213001021223333 has 16 divisors (see below), whose sum is σ = 243816875243520. Its totient is φ = 182282164038576.

The previous prime is 213001021223327. The next prime is 213001021223399. The reversal of 213001021223333 is 333322120100312.

It is not a de Polignac number, because 213001021223333 - 2⁶ = 213001021223269 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 (213001021223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3161648 + ... + 20880566.

It is an arithmetic number, because the mean of its divisors is an integer number (15238554702720).

Almost surely, 2^{213001021223333} is an apocalyptic number.

It is an amenable number.

213001021223333 is a deficient number, since it is larger than the sum of its proper divisors (30815854020187).

213001021223333 is a wasteful number, since it uses less digits than its factorization.

213001021223333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721656.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213001021223333 its reverse (333322120100312), we get a palindrome (546323141323645).

The spelling of 213001021223333 in words is "two hundred thirteen trillion, one billion, twenty-one million, two hundred twenty-three thousand, three hundred thirty-three".