111301221009 has 16 divisors (see below), whose sum is σ = 163167436800. Its totient is φ = 66924138960.

The previous prime is 111301220957. The next prime is 111301221011. The reversal of 111301221009 is 900122103111.

It is a happy number.

It is not a de Polignac number, because 111301221009 - 2⁹ = 111301220497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111301221709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13274409 + ... + 13282790.

It is an arithmetic number, because the mean of its divisors is an integer number (10197964800).

Almost surely, 2^111301221009 is an apocalyptic number.

It is an amenable number.

111301221009 is a deficient number, since it is larger than the sum of its proper divisors (51866215791).

111301221009 is a wasteful number, since it uses less digits than its factorization.

111301221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26557340.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 111301221009 in words is "one hundred eleven billion, three hundred one million, two hundred twenty-one thousand, nine".