110201210001209 has 4 divisors (see below), whose sum is σ = 110352793509504. Its totient is φ = 110049626492916.

The previous prime is 110201210001199. The next prime is 110201210001227. The reversal of 110201210001209 is 902100012102011.

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 not a de Polignac number, because 110201210001209 - 2⁸ = 110201210000953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110201210001229) 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, 75791753057 + ... + 75791754510.

It is an arithmetic number, because the mean of its divisors is an integer number (27588198377376).

Almost surely, 2^{110201210001209} is an apocalyptic number.

It is an amenable number.

110201210001209 is a deficient number, since it is larger than the sum of its proper divisors (151583508295).

110201210001209 is an equidigital number, since it uses as much as digits as its factorization.

110201210001209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151583508294.

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

The spelling of 110201210001209 in words is "one hundred ten trillion, two hundred one billion, two hundred ten million, one thousand, two hundred nine".