10000012210091 has 2 divisors, whose sum is σ = 10000012210092. Its totient is φ = 10000012210090.

The previous prime is 10000012210073. The next prime is 10000012210127. The reversal of 10000012210091 is 19001221000001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000012210091 is a prime.

It is not a weakly prime, because it can be changed into another prime (10000012210021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000006105045 + 5000006105046.

It is an arithmetic number, because the mean of its divisors is an integer number (5000006105046).

Almost surely, 2^{10000012210091} is an apocalyptic number.

10000012210091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000012210091 is an equidigital number, since it uses as much as digits as its factorization.

10000012210091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 10000012210091 its reverse (19001221000001), we get a palindrome (29001233210092).

The spelling of 10000012210091 in words is "ten trillion, twelve million, two hundred ten thousand, ninety-one".