20032122811 has 2 divisors, whose sum is σ = 20032122812. Its totient is φ = 20032122810.

The previous prime is 20032122797. The next prime is 20032122821. The reversal of 20032122811 is 11822123002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20032122811 - 2¹¹ = 20032120763 is a prime.

It is not a weakly prime, because it can be changed into another prime (20032122821) 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, 10016061405 + 10016061406.

It is an arithmetic number, because the mean of its divisors is an integer number (10016061406).

Almost surely, 2^20032122811 is an apocalyptic number.

20032122811 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032122811 is an equidigital number, since it uses as much as digits as its factorization.

20032122811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20032122811 its reverse (11822123002), we get a palindrome (31854245813).

The spelling of 20032122811 in words is "twenty billion, thirty-two million, one hundred twenty-two thousand, eight hundred eleven".