201110232311 has 8 divisors (see below), whose sum is σ = 216199130880. Its totient is φ = 186471748728.

The previous prime is 201110232307. The next prime is 201110232397. The reversal of 201110232311 is 113232011102.

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 201110232311 - 2² = 201110232307 is a prime.

It is a super-3 number, since 3×201110232311³ (a number of 35 digits) contains 333 as substring.

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 201110232311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110232511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112602821 + ... + 112604606.

It is an arithmetic number, because the mean of its divisors is an integer number (27024891360).

Almost surely, 2^201110232311 is an apocalyptic number.

201110232311 is a deficient number, since it is larger than the sum of its proper divisors (15088898569).

201110232311 is a wasteful number, since it uses less digits than its factorization.

201110232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225207493.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201110232311 its reverse (113232011102), we get a palindrome (314342243413).

The spelling of 201110232311 in words is "two hundred one billion, one hundred ten million, two hundred thirty-two thousand, three hundred eleven".