10131103221091 has 2 divisors, whose sum is σ = 10131103221092. Its totient is φ = 10131103221090.

The previous prime is 10131103221059. The next prime is 10131103221121. The reversal of 10131103221091 is 19012230113101.

10131103221091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10131103221091 - 2⁵ = 10131103221059 is a prime.

It is not a weakly prime, because it can be changed into another prime (10131103261091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065551610545 + 5065551610546.

It is an arithmetic number, because the mean of its divisors is an integer number (5065551610546).

Almost surely, 2^{10131103221091} is an apocalyptic number.

10131103221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131103221091 is an equidigital number, since it uses as much as digits as its factorization.

10131103221091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 10131103221091 its reverse (19012230113101), we get a palindrome (29143333334192).

The spelling of 10131103221091 in words is "ten trillion, one hundred thirty-one billion, one hundred three million, two hundred twenty-one thousand, ninety-one".