201030211291 has 16 divisors (see below), whose sum is σ = 250201828800. Its totient is φ = 157269708288.

The previous prime is 201030211289. The next prime is 201030211441. The reversal of 201030211291 is 192112030102.

It is not a de Polignac number, because 201030211291 - 2¹ = 201030211289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201030211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12402706 + ... + 12418903.

It is an arithmetic number, because the mean of its divisors is an integer number (15637614300).

Almost surely, 2^201030211291 is an apocalyptic number.

201030211291 is a deficient number, since it is larger than the sum of its proper divisors (49171617509).

201030211291 is a wasteful number, since it uses less digits than its factorization.

201030211291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24821718.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 201030211291 its reverse (192112030102), we get a palindrome (393142241393).

The spelling of 201030211291 in words is "two hundred one billion, thirty million, two hundred eleven thousand, two hundred ninety-one".