20211012022099 has 2 divisors, whose sum is σ = 20211012022100. Its totient is φ = 20211012022098.

The previous prime is 20211012022079. The next prime is 20211012022111. The reversal of 20211012022099 is 99022021011202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211012022099 - 2⁵ = 20211012022067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20211012022099.

It is not a weakly prime, because it can be changed into another prime (20211012022049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105506011049 + 10105506011050.

It is an arithmetic number, because the mean of its divisors is an integer number (10105506011050).

Almost surely, 2^{20211012022099} is an apocalyptic number.

20211012022099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211012022099 is an equidigital number, since it uses as much as digits as its factorization.

20211012022099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 20211012022099 in words is "twenty trillion, two hundred eleven billion, twelve million, twenty-two thousand, ninety-nine".