10200011111 has 6 divisors (see below), whose sum is σ = 10421652360. Its totient is φ = 9982987436.

The previous prime is 10200011099. The next prime is 10200011113. The reversal of 10200011111 is 11111000201.

It is a happy number.

It is not a de Polignac number, because 10200011111 - 2³⁰ = 9126269287 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 (10200011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2306531 + ... + 2310948.

It is an arithmetic number, because the mean of its divisors is an integer number (1736942060).

Almost surely, 2^10200011111 is an apocalyptic number.

10200011111 is a deficient number, since it is larger than the sum of its proper divisors (221641249).

10200011111 is an frugal number, since it uses more digits than its factorization.

10200011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617573 (or 4617526 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10200011111 its reverse (11111000201), we get a palindrome (21311011312).

The spelling of 10200011111 in words is "ten billion, two hundred million, eleven thousand, one hundred eleven".