1109221023 has 8 divisors (see below), whose sum is σ = 1543264128. Its totient is φ = 707329304.

The previous prime is 1109221019. The next prime is 1109221027. The reversal of 1109221023 is 3201229011.

It is an interprime number because it is at equal distance from previous prime (1109221019) and next prime (1109221027).

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

It is not a de Polignac number, because 1109221023 - 2² = 1109221019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8037765 + ... + 8037902.

It is an arithmetic number, because the mean of its divisors is an integer number (192908016).

Almost surely, 2^1109221023 is an apocalyptic number.

1109221023 is a deficient number, since it is larger than the sum of its proper divisors (434043105).

1109221023 is a wasteful number, since it uses less digits than its factorization.

1109221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075693.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1109221023 is about 33304.9699444392. The cubic root of 1109221023 is about 1035.1565410030.

The spelling of 1109221023 in words is "one billion, one hundred nine million, two hundred twenty-one thousand, twenty-three".