1103211043 has 8 divisors (see below), whose sum is σ = 1242326016. Its totient is φ = 970566600.

The previous prime is 1103211029. The next prime is 1103211089. The reversal of 1103211043 is 3401123011.

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

It is not a de Polignac number, because 1103211043 - 2¹³ = 1103202851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103211023) 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, 1617271 + ... + 1617952.

It is an arithmetic number, because the mean of its divisors is an integer number (155290752).

Almost surely, 2^1103211043 is an apocalyptic number.

1103211043 is a deficient number, since it is larger than the sum of its proper divisors (139114973).

1103211043 is a wasteful number, since it uses less digits than its factorization.

1103211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235265.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1103211043 is about 33214.6209221180. The cubic root of 1103211043 is about 1033.2835929462.

Adding to 1103211043 its reverse (3401123011), we get a palindrome (4504334054).

The spelling of 1103211043 in words is "one billion, one hundred three million, two hundred eleven thousand, forty-three".