210023103021 has 8 divisors (see below), whose sum is σ = 285314404320. Its totient is φ = 137373601872.

The previous prime is 210023103019. The next prime is 210023103053. The reversal of 210023103021 is 120301320012.

210023103021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 210023103021 - 2¹ = 210023103019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210023103011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660449851 + ... + 660450168.

It is an arithmetic number, because the mean of its divisors is an integer number (35664300540).

Almost surely, 2^210023103021 is an apocalyptic number.

It is an amenable number.

210023103021 is a deficient number, since it is larger than the sum of its proper divisors (75291301299).

210023103021 is a wasteful number, since it uses less digits than its factorization.

210023103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320900075.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 210023103021 its reverse (120301320012), we get a palindrome (330324423033).

The spelling of 210023103021 in words is "two hundred ten billion, twenty-three million, one hundred three thousand, twenty-one".