110001220999 has 2 divisors, whose sum is σ = 110001221000. Its totient is φ = 110001220998.

The previous prime is 110001220991. The next prime is 110001221021. The reversal of 110001220999 is 999022100011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110001220999 - 2³ = 110001220991 is a prime.

It is a super-3 number, since 3×110001220999³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110001220991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000610499 + 55000610500.

It is an arithmetic number, because the mean of its divisors is an integer number (55000610500).

Almost surely, 2^110001220999 is an apocalyptic number.

110001220999 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001220999 is an equidigital number, since it uses as much as digits as its factorization.

110001220999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 110001220999 in words is "one hundred ten billion, one million, two hundred twenty thousand, nine hundred ninety-nine".