130122221 has 8 divisors (see below), whose sum is σ = 134457600. Its totient is φ = 125795520.

The previous prime is 130122193. The next prime is 130122227. The reversal of 130122221 is 122221031.

It is a happy number.

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

It is not a de Polignac number, because 130122221 - 2¹⁸ = 129860077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130122196 and 130122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130122227) 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, 44750 + ... + 47568.

It is an arithmetic number, because the mean of its divisors is an integer number (16807200).

Almost surely, 2^130122221 is an apocalyptic number.

It is an amenable number.

130122221 is a deficient number, since it is larger than the sum of its proper divisors (4335379).

130122221 is a wasteful number, since it uses less digits than its factorization.

130122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 130122221 is about 11407.1127372355. The cubic root of 130122221 is about 506.7384077681.

Adding to 130122221 its reverse (122221031), we get a palindrome (252343252).

The spelling of 130122221 in words is "one hundred thirty million, one hundred twenty-two thousand, two hundred twenty-one".