12201002011109 has 4 divisors (see below), whose sum is σ = 12217784683104. Its totient is φ = 12184219339116.

The previous prime is 12201002011097. The next prime is 12201002011111. The reversal of 12201002011109 is 90111020010221.

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 a de Polignac number, because none of the positive numbers 2^k-12201002011109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201002011129) 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, 8391334907 + ... + 8391336360.

It is an arithmetic number, because the mean of its divisors is an integer number (3054446170776).

Almost surely, 2^{12201002011109} is an apocalyptic number.

It is an amenable number.

12201002011109 is a deficient number, since it is larger than the sum of its proper divisors (16782671995).

12201002011109 is an equidigital number, since it uses as much as digits as its factorization.

12201002011109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16782671994.

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

The spelling of 12201002011109 in words is "twelve trillion, two hundred one billion, two million, eleven thousand, one hundred nine".