1122212233121 has 8 divisors (see below), whose sum is σ = 1282668767424. Its totient is φ = 961790824080.

The previous prime is 1122212233091. The next prime is 1122212233159. The reversal of 1122212233121 is 1213322122211.

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 1122212233121 - 2²² = 1122208038817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122212233721) 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, 8712815 + ... + 8840676.

It is an arithmetic number, because the mean of its divisors is an integer number (160333595928).

Almost surely, 2^{1122212233121} is an apocalyptic number.

It is an amenable number.

1122212233121 is a deficient number, since it is larger than the sum of its proper divisors (160456534303).

1122212233121 is an equidigital number, since it uses as much as digits as its factorization.

1122212233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17562631.

The product of its digits is 576, while the sum is 23.

Adding to 1122212233121 its reverse (1213322122211), we get a palindrome (2335534355332).

The spelling of 1122212233121 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred thirty-three thousand, one hundred twenty-one".