201023311113 has 40 divisors (see below), whose sum is σ = 304258933440. Its totient is φ = 132254791200.

The previous prime is 201023311091. The next prime is 201023311211. The reversal of 201023311113 is 311113320102.

It is not a de Polignac number, because 201023311113 - 2⁵ = 201023311081 is a prime.

It is a super-2 number, since 2×201023311113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201023311213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2471548 + ... + 2551586.

It is an arithmetic number, because the mean of its divisors is an integer number (7606473336).

Almost surely, 2^201023311113 is an apocalyptic number.

It is an amenable number.

201023311113 is a deficient number, since it is larger than the sum of its proper divisors (103235622327).

201023311113 is a wasteful number, since it uses less digits than its factorization.

201023311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80459 (or 80450 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 201023311113 its reverse (311113320102), we get a palindrome (512136631215).

The spelling of 201023311113 in words is "two hundred one billion, twenty-three million, three hundred eleven thousand, one hundred thirteen".