130101121 has 4 divisors (see below), whose sum is σ = 130293972. Its totient is φ = 129908272.

The previous prime is 130101109. The next prime is 130101137. The reversal of 130101121 is 121101031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81993025 + 48108096 = 9055^2 + 6936^2 .

It is a cyclic number.

It is not a de Polignac number, because 130101121 - 2¹³ = 130092929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130101098 and 130101107.

It is not an unprimeable number, because it can be changed into a prime (130101161) 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 3 ways as a sum of consecutive naturals, for example, 95410 + ... + 96763.

It is an arithmetic number, because the mean of its divisors is an integer number (32573493).

Almost surely, 2^130101121 is an apocalyptic number.

It is an amenable number.

130101121 is a deficient number, since it is larger than the sum of its proper divisors (192851).

130101121 is an equidigital number, since it uses as much as digits as its factorization.

130101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192850.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 130101121 is about 11406.1878381868. The cubic root of 130101121 is about 506.7110161914.

Adding to 130101121 its reverse (121101031), we get a palindrome (251202152).

The spelling of 130101121 in words is "one hundred thirty million, one hundred one thousand, one hundred twenty-one".