201210210121201 has 4 divisors (see below), whose sum is σ = 201217182332400. Its totient is φ = 201203237910004.

The previous prime is 201210210121181. The next prime is 201210210121213. The reversal of 201210210121201 is 102121012012102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201210210121201 - 2⁵ = 201210210121169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210210121001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486062311 + ... + 3486120028.

It is an arithmetic number, because the mean of its divisors is an integer number (50304295583100).

Almost surely, 2^{201210210121201} is an apocalyptic number.

It is an amenable number.

201210210121201 is a deficient number, since it is larger than the sum of its proper divisors (6972211199).

201210210121201 is an equidigital number, since it uses as much as digits as its factorization.

201210210121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972211198.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201210210121201 its reverse (102121012012102), we get a palindrome (303331222133303).

The spelling of 201210210121201 in words is "two hundred one trillion, two hundred ten billion, two hundred ten million, one hundred twenty-one thousand, two hundred one".