210201210222001 has 32 divisors (see below), whose sum is σ = 214238722176000. Its totient is φ = 206206268336640.

The previous prime is 210201210221993. The next prime is 210201210222007. The reversal of 210201210222001 is 100222012102012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210201210222001 - 2³ = 210201210221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210201210222007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40183750056 + ... + 40183755286.

It is an arithmetic number, because the mean of its divisors is an integer number (6694960068000).

Almost surely, 2^{210201210222001} is an apocalyptic number.

It is an amenable number.

210201210222001 is a deficient number, since it is larger than the sum of its proper divisors (4037511953999).

210201210222001 is a wasteful number, since it uses less digits than its factorization.

210201210222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10449.

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

Adding to 210201210222001 its reverse (100222012102012), we get a palindrome (310423222324013).

The spelling of 210201210222001 in words is "two hundred ten trillion, two hundred one billion, two hundred ten million, two hundred twenty-two thousand, one".