20202010111 has 2 divisors, whose sum is σ = 20202010112. Its totient is φ = 20202010110.

The previous prime is 20202010099. The next prime is 20202010151. The reversal of 20202010111 is 11101020202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202010111 - 2⁵ = 20202010079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202010151) 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, 10101005055 + 10101005056.

It is an arithmetic number, because the mean of its divisors is an integer number (10101005056).

Almost surely, 2^20202010111 is an apocalyptic number.

20202010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202010111 is an equidigital number, since it uses as much as digits as its factorization.

20202010111 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 10.

Adding to 20202010111 its reverse (11101020202), we get a palindrome (31303030313).

The spelling of 20202010111 in words is "twenty billion, two hundred two million, ten thousand, one hundred eleven".