201200211131 has 4 divisors (see below), whose sum is σ = 201397274064. Its totient is φ = 201003148200.

The previous prime is 201200211089. The next prime is 201200211139. The reversal of 201200211131 is 131112002102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201200211131 is a prime.

It is a super-2 number, since 2×201200211131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201200211139) 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 3 ways as a sum of consecutive naturals, for example, 98529935 + ... + 98531976.

It is an arithmetic number, because the mean of its divisors is an integer number (50349318516).

Almost surely, 2^201200211131 is an apocalyptic number.

201200211131 is a deficient number, since it is larger than the sum of its proper divisors (197062933).

201200211131 is a wasteful number, since it uses less digits than its factorization.

201200211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197062932.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201200211131 its reverse (131112002102), we get a palindrome (332312213233).

The spelling of 201200211131 in words is "two hundred one billion, two hundred million, two hundred eleven thousand, one hundred thirty-one".