130111020 has 72 divisors (see below), whose sum is σ = 425036976. Its totient is φ = 32026752.

The previous prime is 130111019. The next prime is 130111021. The reversal of 130111020 is 20111031.

It is an interprime number because it is at equal distance from previous prime (130111019) and next prime (130111021).

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 = 130110993 and 130111011.

It is not an unprimeable number, because it can be changed into a prime (130111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25462 + ... + 30141.

Almost surely, 2^130111020 is an apocalyptic number.

130111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130111020 is an abundant number, since it is smaller than the sum of its proper divisors (294925956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130111020 is a wasteful number, since it uses less digits than its factorization.

130111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55631 (or 55626 counting only the distinct ones).

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

The square root of 130111020 is about 11406.6217610649. The cubic root of 130111020 is about 506.7238672340.

Adding to 130111020 its reverse (20111031), we get a palindrome (150222051).

It can be divided in two parts, 1301 and 11020, that added together give a palindrome (12321).

The spelling of 130111020 in words is "one hundred thirty million, one hundred eleven thousand, twenty".