111011120109 has 32 divisors (see below), whose sum is σ = 166019568000. Its totient is φ = 73306840320.

The previous prime is 111011120083. The next prime is 111011120119. The reversal of 111011120109 is 901021110111.

It is not a de Polignac number, because 111011120109 - 2¹¹ = 111011118061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111011120091 and 111011120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011120119) 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, 5301342 + ... + 5322240.

It is an arithmetic number, because the mean of its divisors is an integer number (5188111500).

Almost surely, 2^111011120109 is an apocalyptic number.

It is an amenable number.

111011120109 is a deficient number, since it is larger than the sum of its proper divisors (55008447891).

111011120109 is a wasteful number, since it uses less digits than its factorization.

111011120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22762 (or 22756 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

The spelling of 111011120109 in words is "one hundred eleven billion, eleven million, one hundred twenty thousand, one hundred nine".