213303221010 has 192 divisors, whose sum is σ = 608662978560. Its totient is φ = 51398375040.

The previous prime is 213303220993. The next prime is 213303221011. The reversal of 213303221010 is 10122303312.

213303221010 is a `hidden beast` number, since 2 + 1 + 330 + 322 + 1 + 0 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (213303221011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 136121247 + ... + 136122813.

It is an arithmetic number, because the mean of its divisors is an integer number (3170119680).

Almost surely, 2^213303221010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213303221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304331489280).

213303221010 is an abundant number, since it is smaller than the sum of its proper divisors (395359757550).

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

213303221010 is a wasteful number, since it uses less digits than its factorization.

213303221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213303221010 its reverse (10122303312), we get a palindrome (223425524322).

The spelling of 213303221010 in words is "two hundred thirteen billion, three hundred three million, two hundred twenty-one thousand, ten".