111123102121120 has 48 divisors (see below), whose sum is σ = 263626773742080. Its totient is φ = 44263260745984.

The previous prime is 111123102121093. The next prime is 111123102121151. The reversal of 111123102121120 is 21121201321111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452931192 + ... + 1453007671.

It is an arithmetic number, because the mean of its divisors is an integer number (5492224452960).

Almost surely, 2^{111123102121120} is an apocalyptic number.

111123102121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111123102121120 is an abundant number, since it is smaller than the sum of its proper divisors (152503671620960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111123102121120 is a wasteful number, since it uses less digits than its factorization.

111123102121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905939117 (or 2905939109 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111123102121120 its reverse (21121201321111), we get a palindrome (132244303442231).

The spelling of 111123102121120 in words is "one hundred eleven trillion, one hundred twenty-three billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty".