111121002022012 has 12 divisors (see below), whose sum is σ = 196387117435656. Its totient is φ = 55010397040400.

The previous prime is 111121002021943. The next prime is 111121002022031. The reversal of 111121002022012 is 210220200121111.

It is a congruent number.

It is an unprimeable number.

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, 137525992198 + ... + 137525993005.

It is an arithmetic number, because the mean of its divisors is an integer number (16365593119638).

Almost surely, 2^{111121002022012} is an apocalyptic number.

It is an amenable number.

111121002022012 is a deficient number, since it is larger than the sum of its proper divisors (85266115413644).

111121002022012 is a wasteful number, since it uses less digits than its factorization.

111121002022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275051985308 (or 275051985306 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111121002022012 its reverse (210220200121111), we get a palindrome (321341202143123).

The spelling of 111121002022012 in words is "one hundred eleven trillion, one hundred twenty-one billion, two million, twenty-two thousand, twelve".