111001011201982 has 12 divisors (see below), whose sum is σ = 183014063924328. Its totient is φ = 50455005091700.

The previous prime is 111001011201937. The next prime is 111001011201989. The reversal of 111001011201982 is 289102110100111.

It is a self number, because there is not a number n which added to its sum of digits gives 111001011201982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001011201989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229340931994 + ... + 229340932477.

It is an arithmetic number, because the mean of its divisors is an integer number (15251171993694).

Almost surely, 2^{111001011201982} is an apocalyptic number.

111001011201982 is a deficient number, since it is larger than the sum of its proper divisors (72013052722346).

111001011201982 is a wasteful number, since it uses less digits than its factorization.

111001011201982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458681864495 (or 458681864484 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 111001011201982 in words is "one hundred eleven trillion, one billion, eleven million, two hundred one thousand, nine hundred eighty-two".