2220312011 has 2 divisors, whose sum is σ = 2220312012. Its totient is φ = 2220312010.

The previous prime is 2220311999. The next prime is 2220312019. The reversal of 2220312011 is 1102130222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220312011 - 2²² = 2216117707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220312019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110156005 + 1110156006.

It is an arithmetic number, because the mean of its divisors is an integer number (1110156006).

Almost surely, 2^2220312011 is an apocalyptic number.

2220312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220312011 is an equidigital number, since it uses as much as digits as its factorization.

2220312011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2220312011 is about 47120.1868735683. The cubic root of 2220312011 is about 1304.5818619959.

Adding to 2220312011 its reverse (1102130222), we get a palindrome (3322442233).

The spelling of 2220312011 in words is "two billion, two hundred twenty million, three hundred twelve thousand, eleven".