130121232101 has 12 divisors (see below), whose sum is σ = 151405911648. Its totient is φ = 111502718712.

The previous prime is 130121232089. The next prime is 130121232107. The reversal of 130121232101 is 101232121031.

It is a de Polignac number, because none of the positive numbers 2^k-130121232101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130121232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130121232107) 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, 167891 + ... + 537056.

It is an arithmetic number, because the mean of its divisors is an integer number (12617159304).

Almost surely, 2^130121232101 is an apocalyptic number.

It is an amenable number.

130121232101 is a deficient number, since it is larger than the sum of its proper divisors (21284679547).

130121232101 is an equidigital number, since it uses as much as digits as its factorization.

130121232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708728 (or 708721 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 130121232101 its reverse (101232121031), we get a palindrome (231353353132).

The spelling of 130121232101 in words is "one hundred thirty billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred one".