130121101 has 12 divisors (see below), whose sum is σ = 150556000. Its totient is φ = 112064040.

The previous prime is 130121099. The next prime is 130121149. The reversal of 130121101 is 101121031.

It is not a de Polignac number, because 130121101 - 2¹ = 130121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121191) 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, 26001 + ... + 30598.

Almost surely, 2^130121101 is an apocalyptic number.

130121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130121101 is a deficient number, since it is larger than the sum of its proper divisors (20434899).

130121101 is a wasteful number, since it uses less digits than its factorization.

130121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56640 (or 56629 counting only the distinct ones).

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

The square root of 130121101 is about 11407.0636449526. The cubic root of 130121101 is about 506.7369538820.

Adding to 130121101 its reverse (101121031), we get a palindrome (231242132).

The spelling of 130121101 in words is "one hundred thirty million, one hundred twenty-one thousand, one hundred one".