121121321444 has 12 divisors (see below), whose sum is σ = 212311513344. Its totient is φ = 60460889064.

The previous prime is 121121321443. The next prime is 121121321483. The reversal of 121121321444 is 444123121121.

121121321444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121121321443) 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, 24940184 + ... + 24945039.

It is an arithmetic number, because the mean of its divisors is an integer number (17692626112).

Almost surely, 2^121121321444 is an apocalyptic number.

It is an amenable number.

121121321444 is a deficient number, since it is larger than the sum of its proper divisors (91190191900).

121121321444 is a wasteful number, since it uses less digits than its factorization.

121121321444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49885834 (or 49885832 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

Adding to 121121321444 its reverse (444123121121), we get a palindrome (565244442565).

The spelling of 121121321444 in words is "one hundred twenty-one billion, one hundred twenty-one million, three hundred twenty-one thousand, four hundred forty-four".