722121118099 has 2 divisors, whose sum is σ = 722121118100. Its totient is φ = 722121118098.

The previous prime is 722121118091. The next prime is 722121118109. The reversal of 722121118099 is 990811121227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722121118099 - 2³ = 722121118091 is a prime.

It is not a weakly prime, because it can be changed into another prime (722121118091) 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, 361060559049 + 361060559050.

It is an arithmetic number, because the mean of its divisors is an integer number (361060559050).

Almost surely, 2^722121118099 is an apocalyptic number.

722121118099 is a deficient number, since it is larger than the sum of its proper divisors (1).

722121118099 is an equidigital number, since it uses as much as digits as its factorization.

722121118099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 722121118099 in words is "seven hundred twenty-two billion, one hundred twenty-one million, one hundred eighteen thousand, ninety-nine".