2221130111 has 2 divisors, whose sum is σ = 2221130112. Its totient is φ = 2221130110.

The previous prime is 2221130099. The next prime is 2221130117. The reversal of 2221130111 is 1110311222.

2221130111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221130111 - 2¹⁰ = 2221129087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221130117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110565055 + 1110565056.

It is an arithmetic number, because the mean of its divisors is an integer number (1110565056).

Almost surely, 2^2221130111 is an apocalyptic number.

2221130111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221130111 is an equidigital number, since it uses as much as digits as its factorization.

2221130111 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 14.

The square root of 2221130111 is about 47128.8670667989. The cubic root of 2221130111 is about 1304.7420718162.

Adding to 2221130111 its reverse (1110311222), we get a palindrome (3331441333).

The spelling of 2221130111 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, one hundred eleven".