12102020110111 has 8 divisors (see below), whose sum is σ = 12164867906400. Its totient is φ = 12039186619488.

The previous prime is 12102020110099. The next prime is 12102020110123. The reversal of 12102020110111 is 11101102020121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12102020110099) and next prime (12102020110123).

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 12102020110111 - 2¹¹ = 12102020108063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102020110091 and 12102020110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102020110151) 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, 1878016 + ... + 5266021.

It is an arithmetic number, because the mean of its divisors is an integer number (1520608488300).

Almost surely, 2^{12102020110111} is an apocalyptic number.

12102020110111 is a deficient number, since it is larger than the sum of its proper divisors (62847796289).

12102020110111 is an equidigital number, since it uses as much as digits as its factorization.

12102020110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152833.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12102020110111 its reverse (11101102020121), we get a palindrome (23203122130232).

The spelling of 12102020110111 in words is "twelve trillion, one hundred two billion, twenty million, one hundred ten thousand, one hundred eleven".