20022112211 has 2 divisors, whose sum is σ = 20022112212. Its totient is φ = 20022112210.

The previous prime is 20022112207. The next prime is 20022112273. The reversal of 20022112211 is 11221122002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022112211 - 2² = 20022112207 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022112291) 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, 10011056105 + 10011056106.

It is an arithmetic number, because the mean of its divisors is an integer number (10011056106).

Almost surely, 2^20022112211 is an apocalyptic number.

20022112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022112211 is an equidigital number, since it uses as much as digits as its factorization.

20022112211 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 14.

Adding to 20022112211 its reverse (11221122002), we get a palindrome (31243234213).

The spelling of 20022112211 in words is "twenty billion, twenty-two million, one hundred twelve thousand, two hundred eleven".