111011020012 has 12 divisors (see below), whose sum is σ = 198402674400. Its totient is φ = 54324541616.

The previous prime is 111011019907. The next prime is 111011020013. The reversal of 111011020012 is 210020110111.

It is not an unprimeable number, because it can be changed into a prime (111011020013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295241887 + ... + 295242262.

It is an arithmetic number, because the mean of its divisors is an integer number (16533556200).

Almost surely, 2^111011020012 is an apocalyptic number.

It is an amenable number.

111011020012 is a deficient number, since it is larger than the sum of its proper divisors (87391654388).

111011020012 is a wasteful number, since it uses less digits than its factorization.

111011020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590484200 (or 590484198 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111011020012 its reverse (210020110111), we get a palindrome (321031130123).

Subtracting 111011020012 from its reverse (210020110111), we obtain a palindrome (99009090099).

The spelling of 111011020012 in words is "one hundred eleven billion, eleven million, twenty thousand, twelve".