130021106 has 4 divisors (see below), whose sum is σ = 195031662. Its totient is φ = 65010552.

The previous prime is 130021097. The next prime is 130021109. The reversal of 130021106 is 601120031.

130021106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82065481 + 47955625 = 9059^2 + 6925^2 .

It is not an unprimeable number, because it can be changed into a prime (130021109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32505275 + ... + 32505278.

Almost surely, 2^130021106 is an apocalyptic number.

130021106 is a deficient number, since it is larger than the sum of its proper divisors (65010556).

130021106 is an equidigital number, since it uses as much as digits as its factorization.

130021106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65010555.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130021106 is about 11402.6797727552. The cubic root of 130021106 is about 506.6071154809.

Adding to 130021106 its reverse (601120031), we get a palindrome (731141137).

The spelling of 130021106 in words is "one hundred thirty million, twenty-one thousand, one hundred six".