1120421311 has 2 divisors, whose sum is σ = 1120421312. Its totient is φ = 1120421310.

The previous prime is 1120421303. The next prime is 1120421347. The reversal of 1120421311 is 1131240211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1120421311 - 2³ = 1120421303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120421111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560210655 + 560210656.

It is an arithmetic number, because the mean of its divisors is an integer number (560210656).

Almost surely, 2^1120421311 is an apocalyptic number.

1120421311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120421311 is an equidigital number, since it uses as much as digits as its factorization.

1120421311 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 16.

The square root of 1120421311 is about 33472.6950065273. The cubic root of 1120421311 is about 1038.6290215982.

Adding to 1120421311 its reverse (1131240211), we get a palindrome (2251661522).

The spelling of 1120421311 in words is "one billion, one hundred twenty million, four hundred twenty-one thousand, three hundred eleven".