2111300311011 has 32 divisors (see below), whose sum is σ = 2879039462400. Its totient is φ = 1375633830144.

The previous prime is 2111300311009. The next prime is 2111300311039. The reversal of 2111300311011 is 1101130031112.

It is not a de Polignac number, because 2111300311011 - 2¹ = 2111300311009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111300311051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565575501 + ... + 565579233.

It is an arithmetic number, because the mean of its divisors is an integer number (89969983200).

Almost surely, 2^{2111300311011} is an apocalyptic number.

2111300311011 is a deficient number, since it is larger than the sum of its proper divisors (767739151389).

2111300311011 is a wasteful number, since it uses less digits than its factorization.

2111300311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8395.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 2111300311011 its reverse (1101130031112), we get a palindrome (3212430342123).

The spelling of 2111300311011 in words is "two trillion, one hundred eleven billion, three hundred million, three hundred eleven thousand, eleven".