210201211022201 has 16 divisors (see below), whose sum is σ = 254363444213760. Its totient is φ = 169572542929920.

The previous prime is 210201211022149. The next prime is 210201211022263. The reversal of 210201211022201 is 102220112102012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210201211022201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 210201211022201.

It is not an unprimeable number, because it can be changed into a prime (210201211022701) 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, 5183720 + ... + 21148838.

It is an arithmetic number, because the mean of its divisors is an integer number (15897715263360).

Almost surely, 2^{210201211022201} is an apocalyptic number.

It is an amenable number.

210201211022201 is a deficient number, since it is larger than the sum of its proper divisors (44162233191559).

210201211022201 is a wasteful number, since it uses less digits than its factorization.

210201211022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16075784.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210201211022201 its reverse (102220112102012), we get a palindrome (312421323124213).

The spelling of 210201211022201 in words is "two hundred ten trillion, two hundred one billion, two hundred eleven million, twenty-two thousand, two hundred one".