2105422027 has 2 divisors, whose sum is σ = 2105422028. Its totient is φ = 2105422026.

The previous prime is 2105421971. The next prime is 2105422043. The reversal of 2105422027 is 7202245012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105422027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105421992 and 2105422010.

It is not a weakly prime, because it can be changed into another prime (2105422057) 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, 1052711013 + 1052711014.

It is an arithmetic number, because the mean of its divisors is an integer number (1052711014).

Almost surely, 2^2105422027 is an apocalyptic number.

2105422027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105422027 is an equidigital number, since it uses as much as digits as its factorization.

2105422027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2105422027 is about 45884.8779773903. The cubic root of 2105422027 is about 1281.6803344572.

Adding to 2105422027 its reverse (7202245012), we get a palindrome (9307667039).

The spelling of 2105422027 in words is "two billion, one hundred five million, four hundred twenty-two thousand, twenty-seven".