201000101311 has 4 divisors (see below), whose sum is σ = 201049649392. Its totient is φ = 200950553232.

The previous prime is 201000101293. The next prime is 201000101317. The reversal of 201000101311 is 113101000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000101311 - 2¹¹ = 201000099263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000101317) 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, 24767955 + ... + 24776068.

It is an arithmetic number, because the mean of its divisors is an integer number (50262412348).

Almost surely, 2^201000101311 is an apocalyptic number.

201000101311 is a deficient number, since it is larger than the sum of its proper divisors (49548081).

201000101311 is an equidigital number, since it uses as much as digits as its factorization.

201000101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49548080.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 201000101311 its reverse (113101000102), we get a palindrome (314101101413).

The spelling of 201000101311 in words is "two hundred one billion, one hundred one thousand, three hundred eleven".