11220221963 has 2 divisors, whose sum is σ = 11220221964. Its totient is φ = 11220221962.

The previous prime is 11220221939. The next prime is 11220222001. The reversal of 11220221963 is 36912202211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11220221963 - 2¹² = 11220217867 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220221923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610110981 + 5610110982.

It is an arithmetic number, because the mean of its divisors is an integer number (5610110982).

Almost surely, 2^11220221963 is an apocalyptic number.

11220221963 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220221963 is an equidigital number, since it uses as much as digits as its factorization.

11220221963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 11220221963 in words is "eleven billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred sixty-three".