213522011321300 has 72 divisors (see below), whose sum is σ = 506289411257952. Its totient is φ = 77517704592000.

The previous prime is 213522011321243. The next prime is 213522011321303. The reversal of 213522011321300 is 3123110225312.

It is a self number, because there is not a number n which added to its sum of digits gives 213522011321300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213522011321303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157654346 + ... + 159002945.

Almost surely, 2^{213522011321300} is an apocalyptic number.

213522011321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213522011321300 is an abundant number, since it is smaller than the sum of its proper divisors (292767399936652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213522011321300 is a wasteful number, since it uses less digits than its factorization.

213522011321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316657929 (or 316657922 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 213522011321300 its reverse (3123110225312), we get a palindrome (216645121546612).

The spelling of 213522011321300 in words is "two hundred thirteen trillion, five hundred twenty-two billion, eleven million, three hundred twenty-one thousand, three hundred".