1222334221021 has 8 divisors (see below), whose sum is σ = 1259142494400. Its totient is φ = 1185859054560.

The previous prime is 1222334221001. The next prime is 1222334221049. The reversal of 1222334221021 is 1201224332221.

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 1222334221021 - 2⁹ = 1222334220509 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 (1222334221001) 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, 83269281 + ... + 83283958.

It is an arithmetic number, because the mean of its divisors is an integer number (157392811800).

Almost surely, 2^{1222334221021} is an apocalyptic number.

It is an amenable number.

1222334221021 is a deficient number, since it is larger than the sum of its proper divisors (36808273379).

1222334221021 is a wasteful number, since it uses less digits than its factorization.

1222334221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166553459.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1222334221021 its reverse (1201224332221), we get a palindrome (2423558553242).

The spelling of 1222334221021 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-four million, two hundred twenty-one thousand, twenty-one".