2011232023111 has 2 divisors, whose sum is σ = 2011232023112. Its totient is φ = 2011232023110.

The previous prime is 2011232023109. The next prime is 2011232023123. The reversal of 2011232023111 is 1113202321102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011232023111 - 2¹ = 2011232023109 is a prime.

Together with 2011232023109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011232023711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005616011555 + 1005616011556.

It is an arithmetic number, because the mean of its divisors is an integer number (1005616011556).

Almost surely, 2^{2011232023111} is an apocalyptic number.

2011232023111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011232023111 is an equidigital number, since it uses as much as digits as its factorization.

2011232023111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2011232023111 its reverse (1113202321102), we get a palindrome (3124434344213).

The spelling of 2011232023111 in words is "two trillion, eleven billion, two hundred thirty-two million, twenty-three thousand, one hundred eleven".