722121120011 has 2 divisors, whose sum is σ = 722121120012. Its totient is φ = 722121120010.

The previous prime is 722121119983. The next prime is 722121120047. The reversal of 722121120011 is 110021121227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722121120011 is a prime.

It is not a weakly prime, because it can be changed into another prime (722121120311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361060560005 + 361060560006.

It is an arithmetic number, because the mean of its divisors is an integer number (361060560006).

Almost surely, 2^722121120011 is an apocalyptic number.

722121120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

722121120011 is an equidigital number, since it uses as much as digits as its factorization.

722121120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 722121120011 its reverse (110021121227), we get a palindrome (832142241238).

The spelling of 722121120011 in words is "seven hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, eleven".