201111111113 has 8 divisors (see below), whose sum is σ = 220846881216. Its totient is φ = 181617498000.

The previous prime is 201111111109. The next prime is 201111111133. The reversal of 201111111113 is 311111111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201111111113 - 2² = 201111111109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111111133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60537506 + ... + 60540827.

It is an arithmetic number, because the mean of its divisors is an integer number (27605860152).

Almost surely, 2^201111111113 is an apocalyptic number.

It is an amenable number.

201111111113 is a deficient number, since it is larger than the sum of its proper divisors (19735770103).

201111111113 is a wasteful number, since it uses less digits than its factorization.

201111111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121078495.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 201111111113 its reverse (311111111102), we get a palindrome (512222222215).

The spelling of 201111111113 in words is "two hundred one billion, one hundred eleven million, one hundred eleven thousand, one hundred thirteen".