111200122121122 has 8 divisors (see below), whose sum is σ = 170679257209296. Its totient is φ = 54307036384692.

The previous prime is 111200122121117. The next prime is 111200122121129. The reversal of 111200122121122 is 221121221002111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111200122121122.

It is not an unprimeable number, because it can be changed into a prime (111200122121129) 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, 646512337828 + ... + 646512337999.

It is an arithmetic number, because the mean of its divisors is an integer number (21334907151162).

Almost surely, 2^{111200122121122} is an apocalyptic number.

111200122121122 is a deficient number, since it is larger than the sum of its proper divisors (59479135088174).

111200122121122 is a wasteful number, since it uses less digits than its factorization.

111200122121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293024675872.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111200122121122 its reverse (221121221002111), we get a palindrome (332321343123233).

The spelling of 111200122121122 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".