1103313213221 has 8 divisors (see below), whose sum is σ = 1133436664320. Its totient is φ = 1073205771408.

The previous prime is 1103313213179. The next prime is 1103313213229. The reversal of 1103313213221 is 1223123133011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103313213221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103313213229) 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, 3862541 + ... + 4138338.

It is an arithmetic number, because the mean of its divisors is an integer number (141679583040).

Almost surely, 2^{1103313213221} is an apocalyptic number.

It is an amenable number.

1103313213221 is a deficient number, since it is larger than the sum of its proper divisors (30123451099).

1103313213221 is an equidigital number, since it uses as much as digits as its factorization.

1103313213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004643.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1103313213221 its reverse (1223123133011), we get a palindrome (2326436346232).

The spelling of 1103313213221 in words is "one trillion, one hundred three billion, three hundred thirteen million, two hundred thirteen thousand, two hundred twenty-one".