210221012110 has 16 divisors (see below), whose sum is σ = 378564631200. Its totient is φ = 84051336096.

The previous prime is 210221012087. The next prime is 210221012129. The reversal of 210221012110 is 11210122012.

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, 4609770 + ... + 4655149.

It is an arithmetic number, because the mean of its divisors is an integer number (23660289450).

Almost surely, 2^210221012110 is an apocalyptic number.

210221012110 is a deficient number, since it is larger than the sum of its proper divisors (168343619090).

210221012110 is a wasteful number, since it uses less digits than its factorization.

210221012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267195.

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

Adding to 210221012110 its reverse (11210122012), we get a palindrome (221431134122).

The spelling of 210221012110 in words is "two hundred ten billion, two hundred twenty-one million, twelve thousand, one hundred ten".