110121203009 has 4 divisors (see below), whose sum is σ = 110479904304. Its totient is φ = 109762501716.

The previous prime is 110121202949. The next prime is 110121203011. The reversal of 110121203009 is 900302121011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110121203009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110121203099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179350187 + ... + 179350800.

It is an arithmetic number, because the mean of its divisors is an integer number (27619976076).

Almost surely, 2^110121203009 is an apocalyptic number.

It is an amenable number.

110121203009 is a deficient number, since it is larger than the sum of its proper divisors (358701295).

110121203009 is an equidigital number, since it uses as much as digits as its factorization.

110121203009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358701294.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 110121203009 in words is "one hundred ten billion, one hundred twenty-one million, two hundred three thousand, nine".