2221130511 has 8 divisors (see below), whose sum is σ = 3290563760. Its totient is φ = 1480753656.

The previous prime is 2221130497. The next prime is 2221130531. The reversal of 2221130511 is 1150311222.

2221130511 is a `hidden beast` number, since 2 + 2 + 21 + 130 + 511 = 666.

It is not a de Polignac number, because 2221130511 - 2⁷ = 2221130383 is a prime.

It is a super-2 number, since 2×2221130511² = 9866841493790242242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221130531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41132020 + ... + 41132073.

It is an arithmetic number, because the mean of its divisors is an integer number (411320470).

Almost surely, 2^2221130511 is an apocalyptic number.

2221130511 is a deficient number, since it is larger than the sum of its proper divisors (1069433249).

2221130511 is an equidigital number, since it uses as much as digits as its factorization.

2221130511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82264102 (or 82264096 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2221130511 is about 47128.8713104823. The cubic root of 2221130511 is about 1304.7421501392.

Adding to 2221130511 its reverse (1150311222), we get a palindrome (3371441733).

The spelling of 2221130511 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, five hundred eleven".