12102201020011 has 4 divisors (see below), whose sum is σ = 12104202382272. Its totient is φ = 12100199657752.

The previous prime is 12102201019991. The next prime is 12102201020017. The reversal of 12102201020011 is 11002010220121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102201020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102201019973 and 12102201020000.

It is not an unprimeable number, because it can be changed into a prime (12102201020017) 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, 1000672060 + ... + 1000684153.

It is an arithmetic number, because the mean of its divisors is an integer number (3026050595568).

Almost surely, 2^{12102201020011} is an apocalyptic number.

12102201020011 is a deficient number, since it is larger than the sum of its proper divisors (2001362261).

12102201020011 is an equidigital number, since it uses as much as digits as its factorization.

12102201020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001362260.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12102201020011 its reverse (11002010220121), we get a palindrome (23104211240132).

The spelling of 12102201020011 in words is "twelve trillion, one hundred two billion, two hundred one million, twenty thousand, eleven".