1102111321 has 4 divisors (see below), whose sum is σ = 1160117200. Its totient is φ = 1044105444.

The previous prime is 1102111313. The next prime is 1102111333. The reversal of 1102111321 is 1231112011.

It is a happy number.

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 1102111321 - 2³ = 1102111313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29002911 + ... + 29002948.

It is an arithmetic number, because the mean of its divisors is an integer number (290029300).

Almost surely, 2^1102111321 is an apocalyptic number.

It is an amenable number.

1102111321 is a deficient number, since it is larger than the sum of its proper divisors (58005879).

1102111321 is an equidigital number, since it uses as much as digits as its factorization.

1102111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58005878.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1102111321 is about 33198.0620066895. The cubic root of 1102111321 is about 1032.9401402307.

Adding to 1102111321 its reverse (1231112011), we get a palindrome (2333223332).

The spelling of 1102111321 in words is "one billion, one hundred two million, one hundred eleven thousand, three hundred twenty-one".