311120021110111 has 16 divisors (see below), whose sum is σ = 312231456460000. Its totient is φ = 310009885815168.

The previous prime is 311120021110091. The next prime is 311120021110153. The reversal of 311120021110111 is 111011120021113.

It is a cyclic number.

It is not a de Polignac number, because 311120021110111 - 2¹⁷ = 311120020979039 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 (311121021110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6279012565 + ... + 6279062113.

It is an arithmetic number, because the mean of its divisors is an integer number (19514466028750).

Almost surely, 2^{311120021110111} is an apocalyptic number.

311120021110111 is a deficient number, since it is larger than the sum of its proper divisors (1111435349889).

311120021110111 is a wasteful number, since it uses less digits than its factorization.

311120021110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62218.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 311120021110111 its reverse (111011120021113), we get a palindrome (422131141131224).

The spelling of 311120021110111 in words is "three hundred eleven trillion, one hundred twenty billion, twenty-one million, one hundred ten thousand, one hundred eleven".