213221301320010 has 32 divisors (see below), whose sum is σ = 513067235788800. Its totient is φ = 56710556727488.

The previous prime is 213221301319937. The next prime is 213221301320077. The reversal of 213221301320010 is 10023103122312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9278548185 + ... + 9278571164.

It is an arithmetic number, because the mean of its divisors is an integer number (16033351118400).

Almost surely, 2^{213221301320010} is an apocalyptic number.

213221301320010 is an abundant number, since it is smaller than the sum of its proper divisors (299845934468790).

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

213221301320010 is a wasteful number, since it uses less digits than its factorization.

213221301320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18557119742.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213221301320010 its reverse (10023103122312), we get a palindrome (223244404442322).

The spelling of 213221301320010 in words is "two hundred thirteen trillion, two hundred twenty-one billion, three hundred one million, three hundred twenty thousand, ten".