110321011993 has 2 divisors, whose sum is σ = 110321011994. Its totient is φ = 110321011992.

The previous prime is 110321011987. The next prime is 110321012047. The reversal of 110321011993 is 399110123011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70898115289 + 39422896704 = 266267^2 + 198552^2 .

It is a cyclic number.

It is not a de Polignac number, because 110321011993 - 2¹³ = 110321003801 is a prime.

It is not a weakly prime, because it can be changed into another prime (110321011963) 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, 55160505996 + 55160505997.

It is an arithmetic number, because the mean of its divisors is an integer number (55160505997).

Almost surely, 2^110321011993 is an apocalyptic number.

It is an amenable number.

110321011993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110321011993 is an equidigital number, since it uses as much as digits as its factorization.

110321011993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 110321011993 in words is "one hundred ten billion, three hundred twenty-one million, eleven thousand, nine hundred ninety-three".