2111120201023 has 2 divisors, whose sum is σ = 2111120201024. Its totient is φ = 2111120201022.

The previous prime is 2111120201011. The next prime is 2111120201027. The reversal of 2111120201023 is 3201020211112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111120201023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111120200988 and 2111120201006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111120201027) 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 as a sum of consecutive naturals, namely, 1055560100511 + 1055560100512.

It is an arithmetic number, because the mean of its divisors is an integer number (1055560100512).

Almost surely, 2^{2111120201023} is an apocalyptic number.

2111120201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111120201023 is an equidigital number, since it uses as much as digits as its factorization.

2111120201023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2111120201023 its reverse (3201020211112), we get a palindrome (5312140412135).

The spelling of 2111120201023 in words is "two trillion, one hundred eleven billion, one hundred twenty million, two hundred one thousand, twenty-three".