201211101002201 has 4 divisors (see below), whose sum is σ = 201994023574452. Its totient is φ = 200428178429952.

The previous prime is 201211101002183. The next prime is 201211101002293. The reversal of 201211101002201 is 102200101112102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199011963265600 + 2199137736601 = 14107160^2 + 1482949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201211101002201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201211101062201) 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, 391461285740 + ... + 391461286253.

It is an arithmetic number, because the mean of its divisors is an integer number (50498505893613).

Almost surely, 2^{201211101002201} is an apocalyptic number.

It is an amenable number.

201211101002201 is a deficient number, since it is larger than the sum of its proper divisors (782922572251).

201211101002201 is an equidigital number, since it uses as much as digits as its factorization.

201211101002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782922572250.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201211101002201 its reverse (102200101112102), we get a palindrome (303411202114303).

The spelling of 201211101002201 in words is "two hundred one trillion, two hundred eleven billion, one hundred one million, two thousand, two hundred one".