210021210233 has 8 divisors (see below), whose sum is σ = 221115256320. Its totient is φ = 198931194000.

The previous prime is 210021210193. The next prime is 210021210239. The reversal of 210021210233 is 332012120012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210021210233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210021210239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900185 + ... + 1109222.

It is an arithmetic number, because the mean of its divisors is an integer number (27639407040).

Almost surely, 2^210021210233 is an apocalyptic number.

It is an amenable number.

210021210233 is a deficient number, since it is larger than the sum of its proper divisors (11094046087).

210021210233 is a wasteful number, since it uses less digits than its factorization.

210021210233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014927.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210021210233 its reverse (332012120012), we get a palindrome (542033330245).

The spelling of 210021210233 in words is "two hundred ten billion, twenty-one million, two hundred ten thousand, two hundred thirty-three".