130020111 has 12 divisors (see below), whose sum is σ = 202253688. Its totient is φ = 80012304.

The previous prime is 130020103. The next prime is 130020151. The reversal of 130020111 is 111020031.

It is not a de Polignac number, because 130020111 - 2³ = 130020103 is a prime.

It is a super-3 number, since 3×130020111³ (a number of 25 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 130020093 and 130020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020101) 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, 555525 + ... + 555758.

It is an arithmetic number, because the mean of its divisors is an integer number (16854474).

Almost surely, 2^130020111 is an apocalyptic number.

130020111 is a deficient number, since it is larger than the sum of its proper divisors (72233577).

130020111 is a wasteful number, since it uses less digits than its factorization.

130020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111302 (or 1111299 counting only the distinct ones).

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

The square root of 130020111 is about 11402.6361425769. The cubic root of 130020111 is about 506.6058231898.

Adding to 130020111 its reverse (111020031), we get a palindrome (241040142).

The spelling of 130020111 in words is "one hundred thirty million, twenty thousand, one hundred eleven".