110001001721899 has 2 divisors, whose sum is σ = 110001001721900. Its totient is φ = 110001001721898.

The previous prime is 110001001721893. The next prime is 110001001721953. The reversal of 110001001721899 is 998127100100011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110001001721899 - 2²⁹ = 110000464850987 is a prime.

It is not a weakly prime, because it can be changed into another prime (110001001721893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000500860949 + 55000500860950.

It is an arithmetic number, because the mean of its divisors is an integer number (55000500860950).

Almost surely, 2^{110001001721899} is an apocalyptic number.

110001001721899 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001001721899 is an equidigital number, since it uses as much as digits as its factorization.

110001001721899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 40.

The spelling of 110001001721899 in words is "one hundred ten trillion, one billion, one million, seven hundred twenty-one thousand, eight hundred ninety-nine".