2101112023 has 2 divisors, whose sum is σ = 2101112024. Its totient is φ = 2101112022.

The previous prime is 2101111993. The next prime is 2101112029. The reversal of 2101112023 is 3202111012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101112023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101111994 and 2101112012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101112029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050556011 + 1050556012.

It is an arithmetic number, because the mean of its divisors is an integer number (1050556012).

Almost surely, 2^2101112023 is an apocalyptic number.

2101112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101112023 is an equidigital number, since it uses as much as digits as its factorization.

2101112023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2101112023 is about 45837.8885093980. Note that the first 3 decimals coincide. The cubic root of 2101112023 is about 1280.8051621621.

Adding to 2101112023 its reverse (3202111012), we get a palindrome (5303223035).

The spelling of 2101112023 in words is "two billion, one hundred one million, one hundred twelve thousand, twenty-three".