202122009611 has 2 divisors, whose sum is σ = 202122009612. Its totient is φ = 202122009610.

The previous prime is 202122009599. The next prime is 202122009613. The reversal of 202122009611 is 116900221202.

202122009611 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 202122009611 - 2¹⁰ = 202122008587 is a prime.

Together with 202122009613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202122009613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061004805 + 101061004806.

It is an arithmetic number, because the mean of its divisors is an integer number (101061004806).

Almost surely, 2^202122009611 is an apocalyptic number.

202122009611 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122009611 is an equidigital number, since it uses as much as digits as its factorization.

202122009611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 202122009611 in words is "two hundred two billion, one hundred twenty-two million, nine thousand, six hundred eleven".