111120171521111 has 8 divisors (see below), whose sum is σ = 111221101477200. Its totient is φ = 111019242885120.

The previous prime is 111120171521077. The next prime is 111120171521123. The reversal of 111120171521111 is 111125171021111.

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 111120171521111 - 2⁴⁶ = 40751427343447 is a prime.

It is a super-2 number, since 2×111120171521111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140171521111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263821400 + ... + 264242258.

It is an arithmetic number, because the mean of its divisors is an integer number (13902637684650).

Almost surely, 2^{111120171521111} is an apocalyptic number.

111120171521111 is a deficient number, since it is larger than the sum of its proper divisors (100929956089).

111120171521111 is a wasteful number, since it uses less digits than its factorization.

111120171521111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660049.

The product of its (nonzero) digits is 140, while the sum is 26.

The spelling of 111120171521111 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred seventy-one million, five hundred twenty-one thousand, one hundred eleven".