2225541440121 has 8 divisors (see below), whose sum is σ = 2985593425440. Its totient is φ = 1474591874112.

The previous prime is 2225541440117. The next prime is 2225541440123. The reversal of 2225541440121 is 1210441455222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2225541440121 - 2² = 2225541440117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225541440123) 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, 2275604256 + ... + 2275605233.

It is an arithmetic number, because the mean of its divisors is an integer number (373199178180).

Almost surely, 2^{2225541440121} is an apocalyptic number.

It is an amenable number.

2225541440121 is a deficient number, since it is larger than the sum of its proper divisors (760051985319).

2225541440121 is a wasteful number, since it uses less digits than its factorization.

2225541440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551209655.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 2225541440121 its reverse (1210441455222), we get a palindrome (3435982895343).

It can be divided in two parts, 2225541 and 440121, that added together give a palindrome (2665662).

The spelling of 2225541440121 in words is "two trillion, two hundred twenty-five billion, five hundred forty-one million, four hundred forty thousand, one hundred twenty-one".