111011100661612 has 12 divisors (see below), whose sum is σ = 194269561476480. Its totient is φ = 55505511668336.

The previous prime is 111011100661579. The next prime is 111011100661679. The reversal of 111011100661612 is 216166001110111.

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, 2637388 + ... + 15132019.

It is an arithmetic number, because the mean of its divisors is an integer number (16189130123040).

Almost surely, 2^{111011100661612} is an apocalyptic number.

It is an amenable number.

111011100661612 is a deficient number, since it is larger than the sum of its proper divisors (83258460814868).

111011100661612 is a wasteful number, since it uses less digits than its factorization.

111011100661612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19331240 (or 19331238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 28.

Adding to 111011100661612 its reverse (216166001110111), we get a palindrome (327177101771723).

The spelling of 111011100661612 in words is "one hundred eleven trillion, eleven billion, one hundred million, six hundred sixty-one thousand, six hundred twelve".