1222041341221 has 8 divisors (see below), whose sum is σ = 1282297452480. Its totient is φ = 1162378886592.

The previous prime is 1222041341219. The next prime is 1222041341249. The reversal of 1222041341221 is 1221431402221.

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 1222041341221 - 2¹ = 1222041341219 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 (1222041347221) 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 7 ways as a sum of consecutive naturals, for example, 148409940 + ... + 148418173.

It is an arithmetic number, because the mean of its divisors is an integer number (160287181560).

Almost surely, 2^{1222041341221} is an apocalyptic number.

It is an amenable number.

1222041341221 is a deficient number, since it is larger than the sum of its proper divisors (60256111259).

1222041341221 is a wasteful number, since it uses less digits than its factorization.

1222041341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296828315.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1222041341221 its reverse (1221431402221), we get a palindrome (2443472743442).

The spelling of 1222041341221 in words is "one trillion, two hundred twenty-two billion, forty-one million, three hundred forty-one thousand, two hundred twenty-one".