201321333311 has 12 divisors (see below), whose sum is σ = 236604459168. Its totient is φ = 170782157952.

The previous prime is 201321333277. The next prime is 201321333337. The reversal of 201321333311 is 113333123102.

It is not a de Polignac number, because 201321333311 - 2¹⁴ = 201321316927 is a prime.

It is a super-2 number, since 2×201321333311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201321330311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21173591 + ... + 21183096.

It is an arithmetic number, because the mean of its divisors is an integer number (19717038264).

Almost surely, 2^201321333311 is an apocalyptic number.

201321333311 is a deficient number, since it is larger than the sum of its proper divisors (35283125857).

201321333311 is an equidigital number, since it uses as much as digits as its factorization.

201321333311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42356798 (or 42356791 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 201321333311 its reverse (113333123102), we get a palindrome (314654456413).

The spelling of 201321333311 in words is "two hundred one billion, three hundred twenty-one million, three hundred thirty-three thousand, three hundred eleven".