10021010110091 has 2 divisors, whose sum is σ = 10021010110092. Its totient is φ = 10021010110090.

The previous prime is 10021010110051. The next prime is 10021010110147. The reversal of 10021010110091 is 19001101012001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021010110091 - 2¹⁴ = 10021010093707 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021010110051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010505055045 + 5010505055046.

It is an arithmetic number, because the mean of its divisors is an integer number (5010505055046).

Almost surely, 2^{10021010110091} is an apocalyptic number.

10021010110091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021010110091 is an equidigital number, since it uses as much as digits as its factorization.

10021010110091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 10021010110091 its reverse (19001101012001), we get a palindrome (29022111122092).

The spelling of 10021010110091 in words is "ten trillion, twenty-one billion, ten million, one hundred ten thousand, ninety-one".