311120223200111 has 8 divisors (see below), whose sum is σ = 335065007165280. Its totient is φ = 287177219106912.

The previous prime is 311120223199979. The next prime is 311120223200123. The reversal of 311120223200111 is 111002322021113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311120223200111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120223200161) 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, 444604931 + ... + 445304148.

It is an arithmetic number, because the mean of its divisors is an integer number (41883125895660).

Almost surely, 2^{311120223200111} is an apocalyptic number.

311120223200111 is a deficient number, since it is larger than the sum of its proper divisors (23944783965169).

311120223200111 is a wasteful number, since it uses less digits than its factorization.

311120223200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889935985.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 311120223200111 its reverse (111002322021113), we get a palindrome (422122545221224).

The spelling of 311120223200111 in words is "three hundred eleven trillion, one hundred twenty billion, two hundred twenty-three million, two hundred thousand, one hundred eleven".