110212011209 has 4 divisors (see below), whose sum is σ = 110239383504. Its totient is φ = 110184638916.

The previous prime is 110212011199. The next prime is 110212011241. The reversal of 110212011209 is 902110212011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 902110212011 = 10273 ⋅87813707.

It is a cyclic number.

It is not a de Polignac number, because 110212011209 - 2¹⁶ = 110211945673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110212019209) 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, 13680107 + ... + 13688160.

It is an arithmetic number, because the mean of its divisors is an integer number (27559845876).

Almost surely, 2^110212011209 is an apocalyptic number.

It is an amenable number.

110212011209 is a deficient number, since it is larger than the sum of its proper divisors (27372295).

110212011209 is an equidigital number, since it uses as much as digits as its factorization.

110212011209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27372294.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 110212011209 in words is "one hundred ten billion, two hundred twelve million, eleven thousand, two hundred nine".