1201111102209 has 8 divisors (see below), whose sum is σ = 1601548097472. Its totient is φ = 800707420880.

The previous prime is 1201111102207. The next prime is 1201111102271. The reversal of 1201111102209 is 9022011111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201111102209 - 2¹ = 1201111102207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201111102207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8244234 + ... + 8388659.

It is an arithmetic number, because the mean of its divisors is an integer number (200193512184).

Almost surely, 2^{1201111102209} is an apocalyptic number.

It is an amenable number.

1201111102209 is a deficient number, since it is larger than the sum of its proper divisors (400436995263).

1201111102209 is a wasteful number, since it uses less digits than its factorization.

1201111102209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16656967.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1201111102209 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, two hundred nine".