210221201121110 has 8 divisors (see below), whose sum is σ = 378398162018016. Its totient is φ = 84088480448440.

The previous prime is 210221201121059. The next prime is 210221201121133. The reversal of 210221201121110 is 11121102122012.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10511060056046 + ... + 10511060056065.

It is an arithmetic number, because the mean of its divisors is an integer number (47299770252252).

Almost surely, 2^{210221201121110} is an apocalyptic number.

210221201121110 is a deficient number, since it is larger than the sum of its proper divisors (168176960896906).

210221201121110 is a wasteful number, since it uses less digits than its factorization.

210221201121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022120112118.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210221201121110 its reverse (11121102122012), we get a palindrome (221342303243122).

The spelling of 210221201121110 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-one thousand, one hundred ten".