122200112111 has 12 divisors (see below), whose sum is σ = 155073983400. Its totient is φ = 95220866160.

The previous prime is 122200112051. The next prime is 122200112123. The reversal of 122200112111 is 111211002221.

It is not a de Polignac number, because 122200112111 - 2²² = 122195917807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200112191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113357636 + ... + 113358713.

It is an arithmetic number, because the mean of its divisors is an integer number (12922831950).

Almost surely, 2^122200112111 is an apocalyptic number.

122200112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122200112111 is a deficient number, since it is larger than the sum of its proper divisors (32873871289).

122200112111 is a wasteful number, since it uses less digits than its factorization.

122200112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226716374 (or 226716367 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122200112111 its reverse (111211002221), we get a palindrome (233411114332).

The spelling of 122200112111 in words is "one hundred twenty-two billion, two hundred million, one hundred twelve thousand, one hundred eleven".