229961996611 has 2 divisors, whose sum is σ = 229961996612. Its totient is φ = 229961996610.

The previous prime is 229961996603. The next prime is 229961996623. The reversal of 229961996611 is 116699169922.

229961996611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229961996611 - 2³ = 229961996603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229961996611.

It is not a weakly prime, because it can be changed into another prime (229961996681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114980998305 + 114980998306.

It is an arithmetic number, because the mean of its divisors is an integer number (114980998306).

Almost surely, 2^229961996611 is an apocalyptic number.

229961996611 is a deficient number, since it is larger than the sum of its proper divisors (1).

229961996611 is an equidigital number, since it uses as much as digits as its factorization.

229961996611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 61.

The spelling of 229961996611 in words is "two hundred twenty-nine billion, nine hundred sixty-one million, nine hundred ninety-six thousand, six hundred eleven".