20220122011 has 2 divisors, whose sum is σ = 20220122012. Its totient is φ = 20220122010.

The previous prime is 20220122009. The next prime is 20220122053. The reversal of 20220122011 is 11022102202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20220122011 - 2¹ = 20220122009 is a prime.

Together with 20220122009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20220121982 and 20220122000.

It is not a weakly prime, because it can be changed into another prime (20220122911) 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, 10110061005 + 10110061006.

It is an arithmetic number, because the mean of its divisors is an integer number (10110061006).

Almost surely, 2^20220122011 is an apocalyptic number.

20220122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220122011 is an equidigital number, since it uses as much as digits as its factorization.

20220122011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220122011 its reverse (11022102202), we get a palindrome (31242224213).

The spelling of 20220122011 in words is "twenty billion, two hundred twenty million, one hundred twenty-two thousand, eleven".