111121417887769 has 8 divisors (see below), whose sum is σ = 111363050006208. Its totient is φ = 110879788314960.

The previous prime is 111121417887743. The next prime is 111121417887787. The reversal of 111121417887769 is 967788714121111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111121417887769 - 2⁹ = 111121417887257 is a prime.

It is a super-2 number, since 2×111121417887769² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111121417887769.

It is not an unprimeable number, because it can be changed into a prime (111121417887269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106250454 + ... + 107291200.

It is an arithmetic number, because the mean of its divisors is an integer number (13920381250776).

Almost surely, 2^{111121417887769} is an apocalyptic number.

It is an amenable number.

111121417887769 is a deficient number, since it is larger than the sum of its proper divisors (241632118439).

111121417887769 is a wasteful number, since it uses less digits than its factorization.

111121417887769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272815.

The product of its digits is 9483264, while the sum is 64.

The spelling of 111121417887769 in words is "one hundred eleven trillion, one hundred twenty-one billion, four hundred seventeen million, eight hundred eighty-seven thousand, seven hundred sixty-nine".