1222301220321 has 8 divisors (see below), whose sum is σ = 1664410172544. Its totient is φ = 797529874160.

The previous prime is 1222301220307. The next prime is 1222301220331. The reversal of 1222301220321 is 1230221032221.

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 1222301220321 - 2¹⁹ = 1222300696033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222301220331) 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, 4334401350 + ... + 4334401631.

It is an arithmetic number, because the mean of its divisors is an integer number (208051271568).

Almost surely, 2^{1222301220321} is an apocalyptic number.

It is an amenable number.

1222301220321 is a deficient number, since it is larger than the sum of its proper divisors (442108952223).

1222301220321 is an equidigital number, since it uses as much as digits as its factorization.

1222301220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668803031.

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

Adding to 1222301220321 its reverse (1230221032221), we get a palindrome (2452522252542).

The spelling of 1222301220321 in words is "one trillion, two hundred twenty-two billion, three hundred one million, two hundred twenty thousand, three hundred twenty-one".