210221201010102 has 32 divisors (see below), whose sum is σ = 434033508572160. Its totient is φ = 67808845582560.

The previous prime is 210221201010053. The next prime is 210221201010169. The reversal of 210221201010102 is 201010102122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34196413 + ... + 39872760.

It is an arithmetic number, because the mean of its divisors is an integer number (13563547142880).

Almost surely, 2^{210221201010102} is an apocalyptic number.

210221201010102 is an abundant number, since it is smaller than the sum of its proper divisors (223812307562058).

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

210221201010102 is a wasteful number, since it uses less digits than its factorization.

210221201010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74084468.

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

Adding to 210221201010102 its reverse (201010102122012), we get a palindrome (411231303132114).

The spelling of 210221201010102 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred one million, ten thousand, one hundred two".