121340422444 has 6 divisors (see below), whose sum is σ = 212345739284. Its totient is φ = 60670211220.

The previous prime is 121340422439. The next prime is 121340422457. The reversal of 121340422444 is 444224043121.

It is a happy number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15167552802 + ... + 15167552809.

Almost surely, 2^121340422444 is an apocalyptic number.

It is an amenable number.

121340422444 is a deficient number, since it is larger than the sum of its proper divisors (91005316840).

121340422444 is a wasteful number, since it uses less digits than its factorization.

121340422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30335105615 (or 30335105613 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 121340422444 its reverse (444224043121), we get a palindrome (565564465565).

The spelling of 121340422444 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand, four hundred forty-four".