110101009999 has 2 divisors, whose sum is σ = 110101010000. Its totient is φ = 110101009998.

The previous prime is 110101009987. The next prime is 110101010027. The reversal of 110101009999 is 999900101011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110101009999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110101079999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050504999 + 55050505000.

It is an arithmetic number, because the mean of its divisors is an integer number (55050505000).

Almost surely, 2^110101009999 is an apocalyptic number.

110101009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101009999 is an equidigital number, since it uses as much as digits as its factorization.

110101009999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 40.

It can be divided in two parts, 1101010099 and 99, that multiplied together give a palindrome (108999999801).

The spelling of 110101009999 in words is "one hundred ten billion, one hundred one million, nine thousand, nine hundred ninety-nine".