211331202201 has 16 divisors (see below), whose sum is σ = 357809443200. Its totient is φ = 120760686864.

The previous prime is 211331202191. The next prime is 211331202311. The reversal of 211331202201 is 102202133112.

It is not a de Polignac number, because 211331202201 - 2³⁰ = 210257460377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211331102201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559077066 + ... + 559077443.

It is an arithmetic number, because the mean of its divisors is an integer number (22363090200).

Almost surely, 2^211331202201 is an apocalyptic number.

211331202201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211331202201 is a deficient number, since it is larger than the sum of its proper divisors (146478240999).

211331202201 is a wasteful number, since it uses less digits than its factorization.

211331202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118154525 (or 1118154519 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211331202201 its reverse (102202133112), we get a palindrome (313533335313).

The spelling of 211331202201 in words is "two hundred eleven billion, three hundred thirty-one million, two hundred two thousand, two hundred one".