130121013101 has 4 divisors (see below), whose sum is σ = 130123079100. Its totient is φ = 130118947104.

The previous prime is 130121013089. The next prime is 130121013107. The reversal of 130121013101 is 101310121031.

It is a happy number.

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 129520812100 + 600201001 = 359890^2 + 24499^2 .

It is a cyclic number.

It is not a de Polignac number, because 130121013101 - 2⁶ = 130121013037 is a prime.

It is a super-2 number, since 2×130121013101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121013107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935456 + ... + 1065513.

It is an arithmetic number, because the mean of its divisors is an integer number (32530769775).

Almost surely, 2^130121013101 is an apocalyptic number.

It is an amenable number.

130121013101 is a deficient number, since it is larger than the sum of its proper divisors (2065999).

130121013101 is an equidigital number, since it uses as much as digits as its factorization.

130121013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065998.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 130121013101 its reverse (101310121031), we get a palindrome (231431134132).

The spelling of 130121013101 in words is "one hundred thirty billion, one hundred twenty-one million, thirteen thousand, one hundred one".