201232100111111 has 8 divisors (see below), whose sum is σ = 201464960663760. Its totient is φ = 200999247317568.

The previous prime is 201232100111017. The next prime is 201232100111113. The reversal of 201232100111111 is 111111001232102.

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 201232100111111 - 2²² = 201232095916807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201232100111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201232100111113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50788760 + ... + 54607346.

It is an arithmetic number, because the mean of its divisors is an integer number (25183120082970).

Almost surely, 2^{201232100111111} is an apocalyptic number.

201232100111111 is a deficient number, since it is larger than the sum of its proper divisors (232860552649).

201232100111111 is an equidigital number, since it uses as much as digits as its factorization.

201232100111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879553.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 201232100111111 its reverse (111111001232102), we get a palindrome (312343101343213).

The spelling of 201232100111111 in words is "two hundred one trillion, two hundred thirty-two billion, one hundred million, one hundred eleven thousand, one hundred eleven".