210221041302 has 48 divisors (see below), whose sum is σ = 503240156640. Its totient is φ = 63084231936.

The previous prime is 210221041301. The next prime is 210221041307. The reversal of 210221041302 is 203140122012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221041301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14927677 + ... + 14941752.

It is an arithmetic number, because the mean of its divisors is an integer number (10484169930).

Almost surely, 2^210221041302 is an apocalyptic number.

210221041302 is an abundant number, since it is smaller than the sum of its proper divisors (293019115338).

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

210221041302 is a wasteful number, since it uses less digits than its factorization.

210221041302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869477 (or 29869474 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 210221041302 its reverse (203140122012), we get a palindrome (413361163314).

The spelling of 210221041302 in words is "two hundred ten billion, two hundred twenty-one million, forty-one thousand, three hundred two".