1123441522221 has 8 divisors (see below), whose sum is σ = 1500797121984. Its totient is φ = 747523468640.

The previous prime is 1123441522219. The next prime is 1123441522237. The reversal of 1123441522221 is 1222251443211.

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 1123441522221 - 2¹ = 1123441522219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123441522261) 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, 359384721 + ... + 359387846.

It is an arithmetic number, because the mean of its divisors is an integer number (187599640248).

Almost surely, 2^{1123441522221} is an apocalyptic number.

It is an amenable number.

1123441522221 is a deficient number, since it is larger than the sum of its proper divisors (377355599763).

1123441522221 is an equidigital number, since it uses as much as digits as its factorization.

1123441522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718773091.

The product of its digits is 7680, while the sum is 30.

Adding to 1123441522221 its reverse (1222251443211), we get a palindrome (2345692965432).

The spelling of 1123441522221 in words is "one trillion, one hundred twenty-three billion, four hundred forty-one million, five hundred twenty-two thousand, two hundred twenty-one".