1101453321 has 16 divisors (see below), whose sum is σ = 1520285760. Its totient is φ = 708496320.

The previous prime is 1101453289. The next prime is 1101453323. The reversal of 1101453321 is 1233541011.

It is not a de Polignac number, because 1101453321 - 2⁵ = 1101453289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101453323) 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, 158506 + ... + 165308.

It is an arithmetic number, because the mean of its divisors is an integer number (95017860).

Almost surely, 2^1101453321 is an apocalyptic number.

It is an amenable number.

1101453321 is a deficient number, since it is larger than the sum of its proper divisors (418832439).

1101453321 is a wasteful number, since it uses less digits than its factorization.

1101453321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1101453321 is about 33188.1503100128. The cubic root of 1101453321 is about 1032.7345318656.

Adding to 1101453321 its reverse (1233541011), we get a palindrome (2334994332).

The spelling of 1101453321 in words is "one billion, one hundred one million, four hundred fifty-three thousand, three hundred twenty-one".