210201202010221 has 8 divisors (see below), whose sum is σ = 210330244252800. Its totient is φ = 210072196918080.

The previous prime is 210201202010183. The next prime is 210201202010309. The reversal of 210201202010221 is 122010202102012.

It is a happy number.

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-210201202010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210201202010195 and 210201202010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201202010021) 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, 2036316 + ... + 20604586.

It is an arithmetic number, because the mean of its divisors is an integer number (26291280531600).

Almost surely, 2^{210201202010221} is an apocalyptic number.

It is an amenable number.

210201202010221 is a deficient number, since it is larger than the sum of its proper divisors (129042242579).

210201202010221 is a wasteful number, since it uses less digits than its factorization.

210201202010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18575219.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210201202010221 its reverse (122010202102012), we get a palindrome (332211404112233).

The spelling of 210201202010221 in words is "two hundred ten trillion, two hundred one billion, two hundred two million, ten thousand, two hundred twenty-one".