111101011120012 has 12 divisors (see below), whose sum is σ = 194427319302216. Its totient is φ = 55550348462240.

The previous prime is 111101011119997. The next prime is 111101011120019. The reversal of 111101011120012 is 210021110101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101011119974 and 111101011120001.

It is not an unprimeable number, because it can be changed into a prime (111101011120019) 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, 37675993 + ... + 40517680.

It is an arithmetic number, because the mean of its divisors is an integer number (16202276608518).

Almost surely, 2^{111101011120012} is an apocalyptic number.

It is an amenable number.

111101011120012 is a deficient number, since it is larger than the sum of its proper divisors (83326308182204).

111101011120012 is a wasteful number, since it uses less digits than its factorization.

111101011120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78548888 (or 78548886 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111101011120012 its reverse (210021110101111), we get a palindrome (321122121221123).

The spelling of 111101011120012 in words is "one hundred eleven trillion, one hundred one billion, eleven million, one hundred twenty thousand, twelve".