30010020111 has 6 divisors (see below), whose sum is σ = 43347806840. Its totient is φ = 20006680068.

The previous prime is 30010020101. The next prime is 30010020133. The reversal of 30010020111 is 11102001003.

It is not a de Polignac number, because 30010020111 - 2¹¹ = 30010018063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 3334446679 = 30010020111 / (3 + 0 + 0 + 1 + 0 + 0 + 2 + 0 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30010020093 and 30010020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010020101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1667223331 + ... + 1667223348.

Almost surely, 2^30010020111 is an apocalyptic number.

30010020111 is a deficient number, since it is larger than the sum of its proper divisors (13337786729).

30010020111 is a wasteful number, since it uses less digits than its factorization.

30010020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334446685 (or 3334446682 counting only the distinct ones).

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

Adding to 30010020111 its reverse (11102001003), we get a palindrome (41112021114).

The spelling of 30010020111 in words is "thirty billion, ten million, twenty thousand, one hundred eleven".