210202441434221 has 16 divisors (see below), whose sum is σ = 212384682870528. Its totient is φ = 208031314608000.

The previous prime is 210202441434163. The next prime is 210202441434241. The reversal of 210202441434221 is 122434144202012.

It is a cyclic number.

It is not a de Polignac number, because 210202441434221 - 2³⁰ = 210201367692397 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 (210202441434241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86761520 + ... + 89151366.

It is an arithmetic number, because the mean of its divisors is an integer number (13274042679408).

Almost surely, 2^{210202441434221} is an apocalyptic number.

It is an amenable number.

210202441434221 is a deficient number, since it is larger than the sum of its proper divisors (2182241436307).

210202441434221 is a wasteful number, since it uses less digits than its factorization.

210202441434221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392172.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 210202441434221 its reverse (122434144202012), we get a palindrome (332636585636233).

The spelling of 210202441434221 in words is "two hundred ten trillion, two hundred two billion, four hundred forty-one million, four hundred thirty-four thousand, two hundred twenty-one".