210221000002102 has 16 divisors (see below), whose sum is σ = 318246706455552. Its totient is φ = 104143232266920.

The previous prime is 210221000002099. The next prime is 210221000002193. The reversal of 210221000002102 is 201200000122012.

It is a happy number.

210221000002102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116843178 + ... + 1117031389.

It is an arithmetic number, because the mean of its divisors is an integer number (19890419153472).

Almost surely, 2^{210221000002102} is an apocalyptic number.

210221000002102 is a deficient number, since it is larger than the sum of its proper divisors (108025706453450).

210221000002102 is a wasteful number, since it uses less digits than its factorization.

210221000002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233875003.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210221000002102 its reverse (201200000122012), we get a palindrome (411421000124114).

The spelling of 210221000002102 in words is "two hundred ten trillion, two hundred twenty-one billion, two thousand, one hundred two".