12220020010111 has 4 divisors (see below), whose sum is σ = 12220042115232. Its totient is φ = 12219997904992.

The previous prime is 12220020010097. The next prime is 12220020010117. The reversal of 12220020010111 is 11101002002221.

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 12220020010111 - 2³⁹ = 11670264196223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220020010091 and 12220020010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220020010117) 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, 10201495 + ... + 11336248.

It is an arithmetic number, because the mean of its divisors is an integer number (3055010528808).

Almost surely, 2^{12220020010111} is an apocalyptic number.

12220020010111 is a deficient number, since it is larger than the sum of its proper divisors (22105121).

12220020010111 is an equidigital number, since it uses as much as digits as its factorization.

12220020010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22105120.

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

Adding to 12220020010111 its reverse (11101002002221), we get a palindrome (23321022012332).

The spelling of 12220020010111 in words is "twelve trillion, two hundred twenty billion, twenty million, ten thousand, one hundred eleven".