210221102100010 has 64 divisors (see below), whose sum is σ = 399269227812480. Its totient is φ = 79575689652480.

The previous prime is 210221102099971. The next prime is 210221102100017. The reversal of 210221102100010 is 10001201122012.

It is not an unprimeable number, because it can be changed into a prime (210221102100017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15989512 + ... + 26002051.

It is an arithmetic number, because the mean of its divisors is an integer number (6238581684570).

Almost surely, 2^{210221102100010} is an apocalyptic number.

210221102100010 is a deficient number, since it is larger than the sum of its proper divisors (189048125712470).

210221102100010 is a wasteful number, since it uses less digits than its factorization.

210221102100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41991943.

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

Adding to 210221102100010 its reverse (10001201122012), we get a palindrome (220222303222022).

The spelling of 210221102100010 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred two million, one hundred thousand, ten".