1121110109 has 8 divisors (see below), whose sum is σ = 1312519488. Its totient is φ = 937513440.

The previous prime is 1121110103. The next prime is 1121110117. The reversal of 1121110109 is 9010111211.

It is a happy number.

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 1121110109 - 2⁸ = 1121109853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121110103) 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, 1952867 + ... + 1953440.

It is an arithmetic number, because the mean of its divisors is an integer number (164064936).

Almost surely, 2^1121110109 is an apocalyptic number.

It is an amenable number.

1121110109 is a deficient number, since it is larger than the sum of its proper divisors (191409379).

1121110109 is an equidigital number, since it uses as much as digits as its factorization.

1121110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906355.

The product of its (nonzero) digits is 18, while the sum is 17.

The square root of 1121110109 is about 33482.9823791131. The cubic root of 1121110109 is about 1038.8418162655.

The spelling of 1121110109 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, one hundred nine".