1103224121 has 4 divisors (see below), whose sum is σ = 1105737600. Its totient is φ = 1100710644.

The previous prime is 1103224117. The next prime is 1103224123. The reversal of 1103224121 is 1214223011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1103224121 - 2² = 1103224117 is a prime.

It is a super-2 number, since 2×1103224121² = 2434206922312445282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103224121.

It is not an unprimeable number, because it can be changed into a prime (1103224123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256081 + ... + 1256958.

It is an arithmetic number, because the mean of its divisors is an integer number (276434400).

Almost surely, 2^1103224121 is an apocalyptic number.

It is an amenable number.

1103224121 is a deficient number, since it is larger than the sum of its proper divisors (2513479).

1103224121 is an equidigital number, since it uses as much as digits as its factorization.

1103224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513478.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1103224121 is about 33214.8177926660. The cubic root of 1103224121 is about 1033.2876759454.

Adding to 1103224121 its reverse (1214223011), we get a palindrome (2317447132).

It can be divided in two parts, 11032 and 24121, that added together give a palindrome (35153).

The spelling of 1103224121 in words is "one billion, one hundred three million, two hundred twenty-four thousand, one hundred twenty-one".