110421201209 has 48 divisors (see below), whose sum is σ = 129484642560. Its totient is φ = 93361040640.

The previous prime is 110421201169. The next prime is 110421201229. The reversal of 110421201209 is 902102124011.

It is a de Polignac number, because none of the positive numbers 2^k-110421201209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110421201229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125051882 + ... + 125052764.

It is an arithmetic number, because the mean of its divisors is an integer number (2697596720).

Almost surely, 2^110421201209 is an apocalyptic number.

It is an amenable number.

110421201209 is a deficient number, since it is larger than the sum of its proper divisors (19063441351).

110421201209 is a wasteful number, since it uses less digits than its factorization.

110421201209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 110421201209 in words is "one hundred ten billion, four hundred twenty-one million, two hundred one thousand, two hundred nine".