1103320221331 has 2 divisors, whose sum is σ = 1103320221332. Its totient is φ = 1103320221330.

The previous prime is 1103320221319. The next prime is 1103320221359. The reversal of 1103320221331 is 1331220233011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103320221331 - 2¹⁹ = 1103319697043 is a prime.

It is a super-2 number, since 2×1103320221331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1103320221371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551660110665 + 551660110666.

It is an arithmetic number, because the mean of its divisors is an integer number (551660110666).

Almost surely, 2^{1103320221331} is an apocalyptic number.

1103320221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103320221331 is an equidigital number, since it uses as much as digits as its factorization.

1103320221331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103320221331 its reverse (1331220233011), we get a palindrome (2434540454342).

The spelling of 1103320221331 in words is "one trillion, one hundred three billion, three hundred twenty million, two hundred twenty-one thousand, three hundred thirty-one".