100111121120012 has 24 divisors (see below), whose sum is σ = 181243881322560. Its totient is φ = 48327311809280.

The previous prime is 100111121119991. The next prime is 100111121120027. The reversal of 100111121120012 is 210021121111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17031053 + ... + 22142244.

It is an arithmetic number, because the mean of its divisors is an integer number (7551828388440).

Almost surely, 2^{100111121120012} is an apocalyptic number.

It is an amenable number.

100111121120012 is a deficient number, since it is larger than the sum of its proper divisors (81132760202548).

100111121120012 is a wasteful number, since it uses less digits than its factorization.

100111121120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39195361 (or 39195359 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100111121120012 its reverse (210021121111001), we get a palindrome (310132242231013).

The spelling of 100111121120012 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, twelve".