110001220999999 has 24 divisors (see below), whose sum is σ = 128137085909280. Its totient is φ = 94156751054016.

The previous prime is 110001220999963. The next prime is 110001221000003. The reversal of 110001220999999 is 999999022100011.

It is not a de Polignac number, because 110001220999999 - 2¹³ = 110001220991807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001220999919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321508582 + ... + 321850540.

It is an arithmetic number, because the mean of its divisors is an integer number (5339045246220).

Almost surely, 2^{110001220999999} is an apocalyptic number.

110001220999999 is a deficient number, since it is larger than the sum of its proper divisors (18135864909281).

110001220999999 is an equidigital number, since it uses as much as digits as its factorization.

110001220999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351007 (or 351000 counting only the distinct ones).

The product of its (nonzero) digits is 2125764, while the sum is 61.

The spelling of 110001220999999 in words is "one hundred ten trillion, one billion, two hundred twenty million, nine hundred ninety-nine thousand, nine hundred ninety-nine".