121141244441321 has 16 divisors (see below), whose sum is σ = 131680606889664. Its totient is φ = 110776307413824.

The previous prime is 121141244441297. The next prime is 121141244441323. The reversal of 121141244441321 is 123144442141121.

It is not a de Polignac number, because 121141244441321 - 2⁶ = 121141244441257 is a prime.

It is a super-3 number, since 3×121141244441321³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121141244441323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129080450 + ... + 130015556.

It is an arithmetic number, because the mean of its divisors is an integer number (8230037930604).

Almost surely, 2^{121141244441321} is an apocalyptic number.

It is an amenable number.

121141244441321 is a deficient number, since it is larger than the sum of its proper divisors (10539362448343).

121141244441321 is a wasteful number, since it uses less digits than its factorization.

121141244441321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028360.

The product of its digits is 24576, while the sum is 35.

Adding to 121141244441321 its reverse (123144442141121), we get a palindrome (244285686582442).

The spelling of 121141244441321 in words is "one hundred twenty-one trillion, one hundred forty-one billion, two hundred forty-four million, four hundred forty-one thousand, three hundred twenty-one".