13103221051 has 2 divisors, whose sum is σ = 13103221052. Its totient is φ = 13103221050.

The previous prime is 13103221031. The next prime is 13103221073. The reversal of 13103221051 is 15012230131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13103221051 is a prime.

It is a super-2 number, since 2×13103221051² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13103221031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551610525 + 6551610526.

It is an arithmetic number, because the mean of its divisors is an integer number (6551610526).

Almost surely, 2^13103221051 is an apocalyptic number.

13103221051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103221051 is an equidigital number, since it uses as much as digits as its factorization.

13103221051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 13103221051 its reverse (15012230131), we get a palindrome (28115451182).

The spelling of 13103221051 in words is "thirteen billion, one hundred three million, two hundred twenty-one thousand, fifty-one".