110001001721399 has 2 divisors, whose sum is σ = 110001001721400. Its totient is φ = 110001001721398.

The previous prime is 110001001721383. The next prime is 110001001721419. The reversal of 110001001721399 is 993127100100011.

It is a weak prime.

It is an emirp because it is prime and its reverse (993127100100011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110001001721399 - 2⁴ = 110001001721383 is a prime.

It is a super-2 number, since 2×110001001721399² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110001001721899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000500860699 + 55000500860700.

It is an arithmetic number, because the mean of its divisors is an integer number (55000500860700).

Almost surely, 2^{110001001721399} is an apocalyptic number.

110001001721399 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001001721399 is an equidigital number, since it uses as much as digits as its factorization.

110001001721399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 35.

The spelling of 110001001721399 in words is "one hundred ten trillion, one billion, one million, seven hundred twenty-one thousand, three hundred ninety-nine".