210221102120023 has 8 divisors (see below), whose sum is σ = 214694856979200. Its totient is φ = 205747387488120.

The previous prime is 210221102120011. The next prime is 210221102120033. The reversal of 210221102120023 is 320021201122012.

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

It is a cyclic number.

It is not a de Polignac number, because 210221102120023 - 2³⁷ = 210083663166551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221102120033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625528 + ... + 20514226.

It is an arithmetic number, because the mean of its divisors is an integer number (26836857122400).

Almost surely, 2^{210221102120023} is an apocalyptic number.

210221102120023 is a deficient number, since it is larger than the sum of its proper divisors (4473754859177).

210221102120023 is a wasteful number, since it uses less digits than its factorization.

210221102120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20113637.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 210221102120023 its reverse (320021201122012), we get a palindrome (530242303242035).

The spelling of 210221102120023 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty thousand, twenty-three".