1103120211 has 16 divisors (see below), whose sum is σ = 1508548608. Its totient is φ = 716596800.

The previous prime is 1103120209. The next prime is 1103120219. The reversal of 1103120211 is 1120213011.

It is not a de Polignac number, because 1103120211 - 2¹ = 1103120209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103120219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104046 + ... + 114156.

It is an arithmetic number, because the mean of its divisors is an integer number (94284288).

Almost surely, 2^1103120211 is an apocalyptic number.

1103120211 is a deficient number, since it is larger than the sum of its proper divisors (405428397).

1103120211 is a wasteful number, since it uses less digits than its factorization.

1103120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1103120211 is about 33213.2535443308. The cubic root of 1103120211 is about 1033.2552339748.

Adding to 1103120211 its reverse (1120213011), we get a palindrome (2223333222).

The spelling of 1103120211 in words is "one billion, one hundred three million, one hundred twenty thousand, two hundred eleven".