201310011321111 has 96 divisors (see below), whose sum is σ = 363707820103680. Its totient is φ = 104237680852800.

The previous prime is 201310011321091. The next prime is 201310011321173. The reversal of 201310011321111 is 111123110013102.

201310011321111 is a `hidden beast` number, since 20 + 1 + 310 + 0 + 1 + 1 + 321 + 1 + 11 = 666.

It is not a de Polignac number, because 201310011321111 - 2²⁵ = 201309977766679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201310011326111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1064930760 + ... + 1065119778.

It is an arithmetic number, because the mean of its divisors is an integer number (3788623126080).

Almost surely, 2^{201310011321111} is an apocalyptic number.

201310011321111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201310011321111 is a deficient number, since it is larger than the sum of its proper divisors (162397808782569).

201310011321111 is a wasteful number, since it uses less digits than its factorization.

201310011321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194017 (or 194014 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 201310011321111 its reverse (111123110013102), we get a palindrome (312433121334213).

The spelling of 201310011321111 in words is "two hundred one trillion, three hundred ten billion, eleven million, three hundred twenty-one thousand, one hundred eleven".