210221110111102 has 8 divisors (see below), whose sum is σ = 315366980644800. Its totient is φ = 105098783229504.

The previous prime is 210221110111099. The next prime is 210221110111121. The reversal of 210221110111102 is 201111011122012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5885890702 + ... + 5885926417.

It is an arithmetic number, because the mean of its divisors is an integer number (39420872580600).

Almost surely, 2^{210221110111102} is an apocalyptic number.

210221110111102 is a deficient number, since it is larger than the sum of its proper divisors (105145870533698).

210221110111102 is a wasteful number, since it uses less digits than its factorization.

210221110111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771826050.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 210221110111102 its reverse (201111011122012), we get a palindrome (411332121233114).

The spelling of 210221110111102 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, one hundred two".