210221201001010 has 8 divisors (see below), whose sum is σ = 378398161801836. Its totient is φ = 84088480400400.

The previous prime is 210221201000983. The next prime is 210221201001047. The reversal of 210221201001010 is 10100102122012.

It can be written as a sum of positive squares in 2 ways, for example, as 208333976220841 + 1887224780169 = 14433779^2 + 1373763^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10511060050041 + ... + 10511060050060.

Almost surely, 2^{210221201001010} is an apocalyptic number.

210221201001010 is a deficient number, since it is larger than the sum of its proper divisors (168176960800826).

210221201001010 is a wasteful number, since it uses less digits than its factorization.

210221201001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022120100108.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210221201001010 its reverse (10100102122012), we get a palindrome (220321303123022).

The spelling of 210221201001010 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred one million, one thousand, ten".