130045227621 has 4 divisors (see below), whose sum is σ = 173393636832. Its totient is φ = 86696818412.

The previous prime is 130045227601. The next prime is 130045227643. The reversal of 130045227621 is 126722540031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 126722540031 = 3 ⋅42240846677.

It is a cyclic number.

It is not a de Polignac number, because 130045227621 - 2¹¹ = 130045225573 is a prime.

It is a super-2 number, since 2×130045227621² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130045227601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21674204601 + ... + 21674204606.

It is an arithmetic number, because the mean of its divisors is an integer number (43348409208).

Almost surely, 2^130045227621 is an apocalyptic number.

It is an amenable number.

130045227621 is a deficient number, since it is larger than the sum of its proper divisors (43348409211).

130045227621 is an equidigital number, since it uses as much as digits as its factorization.

130045227621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43348409210.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 130045227621 its reverse (126722540031), we get a palindrome (256767767652).

The spelling of 130045227621 in words is "one hundred thirty billion, forty-five million, two hundred twenty-seven thousand, six hundred twenty-one".