130440314222221 has 4 divisors (see below), whose sum is σ = 131009922581500. Its totient is φ = 129870705862944.

The previous prime is 130440314222213. The next prime is 130440314222279. The reversal of 130440314222221 is 122222413044031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117527172590025 + 12913141632196 = 10840995^2 + 3593486^2 .

It is a cyclic number.

It is not a de Polignac number, because 130440314222221 - 2³ = 130440314222213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440314222021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284804179296 + ... + 284804179753.

It is an arithmetic number, because the mean of its divisors is an integer number (32752480645375).

Almost surely, 2^{130440314222221} is an apocalyptic number.

It is an amenable number.

130440314222221 is a deficient number, since it is larger than the sum of its proper divisors (569608359279).

130440314222221 is an equidigital number, since it uses as much as digits as its factorization.

130440314222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569608359278.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 130440314222221 its reverse (122222413044031), we get a palindrome (252662727266252).

The spelling of 130440314222221 in words is "one hundred thirty trillion, four hundred forty billion, three hundred fourteen million, two hundred twenty-two thousand, two hundred twenty-one".