111012021010012 has 12 divisors (see below), whose sum is σ = 194557995467640. Its totient is φ = 55424022304976.

The previous prime is 111012021010001. The next prime is 111012021010063. The reversal of 111012021010012 is 210010120210111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111012021009974 and 111012021010001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20497046962 + ... + 20497052377.

It is an arithmetic number, because the mean of its divisors is an integer number (16213166288970).

Almost surely, 2^{111012021010012} is an apocalyptic number.

It is an amenable number.

111012021010012 is a deficient number, since it is larger than the sum of its proper divisors (83545974457628).

111012021010012 is a wasteful number, since it uses less digits than its factorization.

111012021010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40994100020 (or 40994100018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111012021010012 its reverse (210010120210111), we get a palindrome (321022141220123).

The spelling of 111012021010012 in words is "one hundred eleven trillion, twelve billion, twenty-one million, ten thousand, twelve".