1222112334521 has 8 divisors (see below), whose sum is σ = 1328421173184. Its totient is φ = 1117560666960.

The previous prime is 1222112334481. The next prime is 1222112334551. The reversal of 1222112334521 is 1254332112221.

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 1222112334521 - 2²⁶ = 1222045225657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222112334551) 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, 439291325 + ... + 439294106.

It is an arithmetic number, because the mean of its divisors is an integer number (166052646648).

Almost surely, 2^{1222112334521} is an apocalyptic number.

It is an amenable number.

1222112334521 is a deficient number, since it is larger than the sum of its proper divisors (106308838663).

1222112334521 is a wasteful number, since it uses less digits than its factorization.

1222112334521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878585551.

The product of its digits is 5760, while the sum is 29.

Adding to 1222112334521 its reverse (1254332112221), we get a palindrome (2476444446742).

The spelling of 1222112334521 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, three hundred thirty-four thousand, five hundred twenty-one".