111122111000121 has 32 divisors (see below), whose sum is σ = 169213577557248. Its totient is φ = 64258320107520.

The previous prime is 111122111000111. The next prime is 111122111000129. The reversal of 111122111000121 is 121000111221111.

111122111000121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 111122111000121 - 2⁷ = 111122110999993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111122111000121.

It is not an unprimeable number, because it can be changed into a prime (111122111000129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132390676 + ... + 133227381.

It is an arithmetic number, because the mean of its divisors is an integer number (5287924298664).

Almost surely, 2^{111122111000121} is an apocalyptic number.

It is an amenable number.

111122111000121 is a deficient number, since it is larger than the sum of its proper divisors (58091466557127).

111122111000121 is a wasteful number, since it uses less digits than its factorization.

111122111000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265618721.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111122111000121 its reverse (121000111221111), we get a palindrome (232122222221232).

The spelling of 111122111000121 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.