22200111212122 has 16 divisors (see below), whose sum is σ = 34757460809280. Its totient is φ = 10614553738272.

The previous prime is 22200111212101. The next prime is 22200111212129. The reversal of 22200111212122 is 22121211100222.

It is a self number, because there is not a number n which added to its sum of digits gives 22200111212122.

It is not an unprimeable number, because it can be changed into a prime (22200111212129) 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 7 ways as a sum of consecutive naturals, for example, 65528172 + ... + 65866087.

It is an arithmetic number, because the mean of its divisors is an integer number (2172341300580).

Almost surely, 2^{22200111212122} is an apocalyptic number.

22200111212122 is a deficient number, since it is larger than the sum of its proper divisors (12557349597158).

22200111212122 is a wasteful number, since it uses less digits than its factorization.

22200111212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131397957.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22200111212122 its reverse (22121211100222), we get a palindrome (44321322312344).

The spelling of 22200111212122 in words is "twenty-two trillion, two hundred billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-two".