201111420311 has 8 divisors (see below), whose sum is σ = 201423343680. Its totient is φ = 200799740512.

The previous prime is 201111420287. The next prime is 201111420337. The reversal of 201111420311 is 113024111102.

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 201111420311 - 2¹⁰ = 201111419287 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 201111420311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111420371) 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, 1627826 + ... + 1747008.

It is an arithmetic number, because the mean of its divisors is an integer number (25177917960).

Almost surely, 2^201111420311 is an apocalyptic number.

201111420311 is a deficient number, since it is larger than the sum of its proper divisors (311923369).

201111420311 is a wasteful number, since it uses less digits than its factorization.

201111420311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121785.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201111420311 its reverse (113024111102), we get a palindrome (314135531413).

The spelling of 201111420311 in words is "two hundred one billion, one hundred eleven million, four hundred twenty thousand, three hundred eleven".