10020003111 has 12 divisors (see below), whose sum is σ = 14474784688. Its totient is φ = 6679334304.

The previous prime is 10020003047. The next prime is 10020003113. The reversal of 10020003111 is 11130002001.

It is not a de Polignac number, because 10020003111 - 2⁶ = 10020003047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020003093 and 10020003102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020003113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49926 + ... + 150108.

Almost surely, 2^10020003111 is an apocalyptic number.

10020003111 is a deficient number, since it is larger than the sum of its proper divisors (4454781577).

10020003111 is a wasteful number, since it uses less digits than its factorization.

10020003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111302 (or 111299 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10020003111 its reverse (11130002001), we get a palindrome (21150005112).

The spelling of 10020003111 in words is "ten billion, twenty million, three thousand, one hundred eleven".