10020850111 has 4 divisors (see below), whose sum is σ = 10028149992. Its totient is φ = 10013550232.

The previous prime is 10020850093. The next prime is 10020850127. The reversal of 10020850111 is 11105802001.

It is a happy number.

10020850111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11105802001 = 7 ⋅1586543143.

It is a cyclic number.

It is not a de Polignac number, because 10020850111 - 2¹¹ = 10020848063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020850171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647881 + ... + 3650626.

It is an arithmetic number, because the mean of its divisors is an integer number (2507037498).

Almost surely, 2^10020850111 is an apocalyptic number.

10020850111 is a deficient number, since it is larger than the sum of its proper divisors (7299881).

10020850111 is an equidigital number, since it uses as much as digits as its factorization.

10020850111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299880.

The product of its (nonzero) digits is 80, while the sum is 19.

The spelling of 10020850111 in words is "ten billion, twenty million, eight hundred fifty thousand, one hundred eleven".