1220130222321 has 8 divisors (see below), whose sum is σ = 1626855546400. Its totient is φ = 813412523232.

The previous prime is 1220130222313. The next prime is 1220130222343. The reversal of 1220130222321 is 1232220310221.

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

It is not a de Polignac number, because 1220130222321 - 2³ = 1220130222313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220130222371) 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, 1521796 + ... + 2180853.

It is an arithmetic number, because the mean of its divisors is an integer number (203356943300).

Almost surely, 2^{1220130222321} is an apocalyptic number.

It is an amenable number.

1220130222321 is a deficient number, since it is larger than the sum of its proper divisors (406725324079).

1220130222321 is a wasteful number, since it uses less digits than its factorization.

1220130222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812495.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1220130222321 its reverse (1232220310221), we get a palindrome (2452350532542).

It can be divided in two parts, 1220130 and 222321, that added together give a triangular number (1442451 = T₁₆₉₈).

The spelling of 1220130222321 in words is "one trillion, two hundred twenty billion, one hundred thirty million, two hundred twenty-two thousand, three hundred twenty-one".