213312102001021 has 8 divisors (see below), whose sum is σ = 213570353018880. Its totient is φ = 213053853246192.

The previous prime is 213312102001013. The next prime is 213312102001057. The reversal of 213312102001021 is 120100201213312.

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 213312102001021 - 2³ = 213312102001013 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 213312102001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312102001121) 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, 261343476 + ... + 262158418.

It is an arithmetic number, because the mean of its divisors is an integer number (26696294127360).

Almost surely, 2^{213312102001021} is an apocalyptic number.

It is an amenable number.

213312102001021 is a deficient number, since it is larger than the sum of its proper divisors (258251017859).

213312102001021 is an equidigital number, since it uses as much as digits as its factorization.

213312102001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131515.

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

Adding to 213312102001021 its reverse (120100201213312), we get a palindrome (333412303214333).

The spelling of 213312102001021 in words is "two hundred thirteen trillion, three hundred twelve billion, one hundred two million, one thousand, twenty-one".