2281865111 has 2 divisors, whose sum is σ = 2281865112. Its totient is φ = 2281865110.

The previous prime is 2281865107. The next prime is 2281865149. The reversal of 2281865111 is 1115681822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2281865111 - 2² = 2281865107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281865101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140932555 + 1140932556.

It is an arithmetic number, because the mean of its divisors is an integer number (1140932556).

Almost surely, 2^2281865111 is an apocalyptic number.

2281865111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281865111 is an equidigital number, since it uses as much as digits as its factorization.

2281865111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 35.

The square root of 2281865111 is about 47768.8717785966. The cubic root of 2281865111 is about 1316.5276642733.

The spelling of 2281865111 in words is "two billion, two hundred eighty-one million, eight hundred sixty-five thousand, one hundred eleven".