2110111123 has 2 divisors, whose sum is σ = 2110111124. Its totient is φ = 2110111122.

The previous prime is 2110111117. The next prime is 2110111169. The reversal of 2110111123 is 3211110112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2110111123 - 2¹⁷ = 2109980051 is a prime.

It is a super-2 number, since 2×2110111123² = 8905137902816642258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2110111183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055055561 + 1055055562.

It is an arithmetic number, because the mean of its divisors is an integer number (1055055562).

Almost surely, 2^2110111123 is an apocalyptic number.

2110111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110111123 is an equidigital number, since it uses as much as digits as its factorization.

2110111123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2110111123 is about 45935.9458703095. The cubic root of 2110111123 is about 1282.6311281529.

Adding to 2110111123 its reverse (3211110112), we get a palindrome (5321221235).

The spelling of 2110111123 in words is "two billion, one hundred ten million, one hundred eleven thousand, one hundred twenty-three".