111101011110988 has 96 divisors (see below), whose sum is σ = 218695112939520. Its totient is φ = 49108038819840.

The previous prime is 111101011110979. The next prime is 111101011110989. The reversal of 111101011110988 is 889011110101111.

It is a super-2 number, since 2×111101011110988² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (111101011110989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83402620 + ... + 84724252.

It is an arithmetic number, because the mean of its divisors is an integer number (2278074093120).

Almost surely, 2^{111101011110988} is an apocalyptic number.

It is an amenable number.

111101011110988 is a deficient number, since it is larger than the sum of its proper divisors (107594101828532).

111101011110988 is a wasteful number, since it uses less digits than its factorization.

111101011110988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322647 (or 1322645 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 34.

The spelling of 111101011110988 in words is "one hundred eleven trillion, one hundred one billion, eleven million, one hundred ten thousand, nine hundred eighty-eight".