12200122111 has 4 divisors (see below), whose sum is σ = 12246510672. Its totient is φ = 12153733552.

The previous prime is 12200122079. The next prime is 12200122117. The reversal of 12200122111 is 11122100221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11122100221 = 60337 ⋅184333.

It is a cyclic number.

It is not a de Polignac number, because 12200122111 - 2⁵ = 12200122079 is a prime.

It is a super-2 number, since 2×12200122111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200122091 and 12200122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200122117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23193886 + ... + 23194411.

It is an arithmetic number, because the mean of its divisors is an integer number (3061627668).

Almost surely, 2^12200122111 is an apocalyptic number.

12200122111 is a deficient number, since it is larger than the sum of its proper divisors (46388561).

12200122111 is an equidigital number, since it uses as much as digits as its factorization.

12200122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46388560.

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

Adding to 12200122111 its reverse (11122100221), we get a palindrome (23322222332).

The spelling of 12200122111 in words is "twelve billion, two hundred million, one hundred twenty-two thousand, one hundred eleven".