10221109999699 has 2 divisors, whose sum is σ = 10221109999700. Its totient is φ = 10221109999698.

The previous prime is 10221109999697. The next prime is 10221109999717. The reversal of 10221109999699 is 99699990112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221109999699 - 2¹ = 10221109999697 is a prime.

Together with 10221109999697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10221109999697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110554999849 + 5110554999850.

It is an arithmetic number, because the mean of its divisors is an integer number (5110554999850).

Almost surely, 2^{10221109999699} is an apocalyptic number.

10221109999699 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221109999699 is an equidigital number, since it uses as much as digits as its factorization.

10221109999699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12754584, while the sum is 67.

The spelling of 10221109999699 in words is "ten trillion, two hundred twenty-one billion, one hundred nine million, nine hundred ninety-nine thousand, six hundred ninety-nine".