110102021209 has 16 divisors (see below), whose sum is σ = 115536326400. Its totient is φ = 104781470976.

The previous prime is 110102021153. The next prime is 110102021219. The reversal of 110102021209 is 902120201011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110102021209 - 2²³ = 110093632601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110102021219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318042 + ... + 1399084.

It is an arithmetic number, because the mean of its divisors is an integer number (7221020400).

Almost surely, 2^110102021209 is an apocalyptic number.

It is an amenable number.

110102021209 is a deficient number, since it is larger than the sum of its proper divisors (5434305191).

110102021209 is an equidigital number, since it uses as much as digits as its factorization.

110102021209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81744.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 110102021209 in words is "one hundred ten billion, one hundred two million, twenty-one thousand, two hundred nine".