20022111101 has 2 divisors, whose sum is σ = 20022111102. Its totient is φ = 20022111100.

The previous prime is 20022111071. The next prime is 20022111103. The reversal of 20022111101 is 10111122002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11438088601 + 8584022500 = 106949^2 + 92650^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022111101 - 2¹⁴ = 20022094717 is a prime.

Together with 20022111103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022111103) 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, 10011055550 + 10011055551.

It is an arithmetic number, because the mean of its divisors is an integer number (10011055551).

Almost surely, 2^20022111101 is an apocalyptic number.

It is an amenable number.

20022111101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022111101 is an equidigital number, since it uses as much as digits as its factorization.

20022111101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20022111101 its reverse (10111122002), we get a palindrome (30133233103).

The spelling of 20022111101 in words is "twenty billion, twenty-two million, one hundred eleven thousand, one hundred one".