103221321331 has 2 divisors, whose sum is σ = 103221321332. Its totient is φ = 103221321330.

The previous prime is 103221321277. The next prime is 103221321347. The reversal of 103221321331 is 133123122301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103221321331 is a prime.

It is a super-2 number, since 2×103221321331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103221321631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610660665 + 51610660666.

It is an arithmetic number, because the mean of its divisors is an integer number (51610660666).

Almost surely, 2^103221321331 is an apocalyptic number.

103221321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221321331 is an equidigital number, since it uses as much as digits as its factorization.

103221321331 is an odious number, because the sum of its binary digits is odd.

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

Adding to 103221321331 its reverse (133123122301), we get a palindrome (236344443632).

The spelling of 103221321331 in words is "one hundred three billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred thirty-one".