10020020111 has 2 divisors, whose sum is σ = 10020020112. Its totient is φ = 10020020110.

The previous prime is 10020020071. The next prime is 10020020119. The reversal of 10020020111 is 11102002001.

It is an a-pointer prime, because the next prime (10020020119) can be obtained adding 10020020111 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10020020111 - 2¹⁴ = 10020003727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020020119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010010055 + 5010010056.

It is an arithmetic number, because the mean of its divisors is an integer number (5010010056).

Almost surely, 2^10020020111 is an apocalyptic number.

10020020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020020111 is an equidigital number, since it uses as much as digits as its factorization.

10020020111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10020020111 its reverse (11102002001), we get a palindrome (21122022112).

The spelling of 10020020111 in words is "ten billion, twenty million, twenty thousand, one hundred eleven".