1103021113 has 8 divisors (see below), whose sum is σ = 1124470368. Its totient is φ = 1081766304.

The previous prime is 1103021063. The next prime is 1103021191. The reversal of 1103021113 is 3111203011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103021113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103021093 and 1103021102.

It is not an unprimeable number, because it can be changed into a prime (1103021813) 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, 37131 + ... + 59872.

It is an arithmetic number, because the mean of its divisors is an integer number (140558796).

Almost surely, 2^1103021113 is an apocalyptic number.

It is an amenable number.

1103021113 is a deficient number, since it is larger than the sum of its proper divisors (21449255).

1103021113 is an equidigital number, since it uses as much as digits as its factorization.

1103021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97223.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1103021113 is about 33211.7616666144. The cubic root of 1103021113 is about 1033.2242924714.

Adding to 1103021113 its reverse (3111203011), we get a palindrome (4214224124).

The spelling of 1103021113 in words is "one billion, one hundred three million, twenty-one thousand, one hundred thirteen".