1103322091 has 4 divisors (see below), whose sum is σ = 1111259800.
Its totient is φ = 1095384384.
The previous prime is 1103322019. The next prime is 1103322109. The reversal of 1103322091 is 1902233011.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1103322091 - 221 = 1101224939 is a prime.
It is a super-2 number, since 2×11033220912 = 2434639272977224562, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1103322691) 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 3 ways as a sum of consecutive naturals, for example, 3968646 + ... + 3968923.
It is an arithmetic number, because the mean of its divisors is an integer number (277814950).
Almost surely, 21103322091 is an apocalyptic number.
1103322091 is a deficient number, since it is larger than the sum of its proper divisors (7937709).
1103322091 is an equidigital number, since it uses as much as digits as its factorization.
1103322091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7937708.
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 1103322091 is about 33216.2925535045.
The cubic root of 1103322091 is about 1033.3182615098.
It can be divided in two parts, 11033 and 22091, that added together give a square (33124 = 1822).
The spelling of 1103322091 in words is "one billion, one hundred three million, three hundred twenty-two thousand, ninety-one".