210221213233300 has 72 divisors (see below), whose sum is σ = 480197494212800. Its totient is φ = 79661450661120.

The previous prime is 210221213233223. The next prime is 210221213233403. The reversal of 210221213233300 is 3332312122012.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117353761 + ... + 119131639.

Almost surely, 2^{210221213233300} is an apocalyptic number.

210221213233300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210221213233300 is an abundant number, since it is smaller than the sum of its proper divisors (269976280979500).

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

210221213233300 is a wasteful number, since it uses less digits than its factorization.

210221213233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840145 (or 1840138 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 210221213233300 its reverse (3332312122012), we get a palindrome (213553525355312).

The spelling of 210221213233300 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred thirty-three thousand, three hundred".