210221110020102 has 8 divisors (see below), whose sum is σ = 420442220040216. Its totient is φ = 70073703340032.

The previous prime is 210221110020101. The next prime is 210221110020107. The reversal of 210221110020102 is 201020011122012.

It is a sphenic number, since it is the product of 3 distinct primes.

210221110020102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221110020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17518425835003 + ... + 17518425835014.

It is an arithmetic number, because the mean of its divisors is an integer number (52555277505027).

Almost surely, 2^{210221110020102} is an apocalyptic number.

210221110020102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210221110020102 is a wasteful number, since it uses less digits than its factorization.

210221110020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35036851670022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210221110020102 its reverse (201020011122012), we get a palindrome (411241121142114).

The spelling of 210221110020102 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred ten million, twenty thousand, one hundred two".