2225553454121 has 4 divisors (see below), whose sum is σ = 2225594693892. Its totient is φ = 2225512214352.

The previous prime is 2225553454081. The next prime is 2225553454133. The reversal of 2225553454121 is 1214543555222.

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 1685128515625 + 540424938496 = 1298125^2 + 735136^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225553454121 - 2⁶ = 2225553454057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2225553454021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20538830 + ... + 20646903.

It is an arithmetic number, because the mean of its divisors is an integer number (556398673473).

Almost surely, 2^{2225553454121} is an apocalyptic number.

It is an amenable number.

2225553454121 is a deficient number, since it is larger than the sum of its proper divisors (41239771).

2225553454121 is an equidigital number, since it uses as much as digits as its factorization.

2225553454121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41239770.

The product of its digits is 480000, while the sum is 41.

The spelling of 2225553454121 in words is "two trillion, two hundred twenty-five billion, five hundred fifty-three million, four hundred fifty-four thousand, one hundred twenty-one".