20022010111 has 2 divisors, whose sum is σ = 20022010112. Its totient is φ = 20022010110.

The previous prime is 20022010091. The next prime is 20022010159. The reversal of 20022010111 is 11101022002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022010111 - 2⁵ = 20022010079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022019111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011005055 + 10011005056.

It is an arithmetic number, because the mean of its divisors is an integer number (10011005056).

Almost surely, 2^20022010111 is an apocalyptic number.

20022010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022010111 is an equidigital number, since it uses as much as digits as its factorization.

20022010111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20022010111 its reverse (11101022002), we get a palindrome (31123032113).

The spelling of 20022010111 in words is "twenty billion, twenty-two million, ten thousand, one hundred eleven".