5450223231121 has 4 divisors (see below), whose sum is σ = 5450253697332. Its totient is φ = 5450192764912.

The previous prime is 5450223231109. The next prime is 5450223231169. The reversal of 5450223231121 is 1211323220545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1548255115521 + 3901968115600 = 1244289^2 + 1975340^2 .

It is a cyclic number.

It is not a de Polignac number, because 5450223231121 - 2¹⁹ = 5450222706833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5450223231421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14963170 + ... + 15323083.

It is an arithmetic number, because the mean of its divisors is an integer number (1362563424333).

Almost surely, 2^{5450223231121} is an apocalyptic number.

It is an amenable number.

5450223231121 is a deficient number, since it is larger than the sum of its proper divisors (30466211).

5450223231121 is a wasteful number, since it uses less digits than its factorization.

5450223231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30466210.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 5450223231121 its reverse (1211323220545), we get a palindrome (6661546451666).

The spelling of 5450223231121 in words is "five trillion, four hundred fifty billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-one".