12102020200111 has 4 divisors (see below), whose sum is σ = 12813903741312. Its totient is φ = 11390136658912.

The previous prime is 12102020200099. The next prime is 12102020200139. The reversal of 12102020200111 is 11100202020121.

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

It is a cyclic number.

It is not a de Polignac number, because 12102020200111 - 2²¹ = 12102018102959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102020200091 and 12102020200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102020200141) 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, 355941770575 + ... + 355941770608.

It is an arithmetic number, because the mean of its divisors is an integer number (3203475935328).

Almost surely, 2^{12102020200111} is an apocalyptic number.

12102020200111 is a deficient number, since it is larger than the sum of its proper divisors (711883541201).

12102020200111 is an equidigital number, since it uses as much as digits as its factorization.

12102020200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711883541200.

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

Adding to 12102020200111 its reverse (11100202020121), we get a palindrome (23202222220232).

The spelling of 12102020200111 in words is "twelve trillion, one hundred two billion, twenty million, two hundred thousand, one hundred eleven".