130442410100021 has 8 divisors (see below), whose sum is σ = 132903908466264. Its totient is φ = 127980923616000.

The previous prime is 130442410100017. The next prime is 130442410100027. The reversal of 130442410100021 is 120001014244031.

It can be written as a sum of positive squares in 4 ways, for example, as 515467997521 + 129926942102500 = 717961^2 + 11398550^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130442410100021 - 2² = 130442410100017 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 130442410100021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130442410100027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21000521 + ... + 26493521.

It is an arithmetic number, because the mean of its divisors is an integer number (16612988558283).

Almost surely, 2^{130442410100021} is an apocalyptic number.

It is an amenable number.

130442410100021 is a deficient number, since it is larger than the sum of its proper divisors (2461498366243).

130442410100021 is an equidigital number, since it uses as much as digits as its factorization.

130442410100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941111.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 130442410100021 its reverse (120001014244031), we get a palindrome (250443424344052).

The spelling of 130442410100021 in words is "one hundred thirty trillion, four hundred forty-two billion, four hundred ten million, one hundred thousand, twenty-one".