121442330422 has 32 divisors (see below), whose sum is σ = 208590126912. Its totient is φ = 51945990144.

The previous prime is 121442330417. The next prime is 121442330423. The reversal of 121442330422 is 224033244121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121442330423) 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 15 ways as a sum of consecutive naturals, for example, 24595938 + ... + 24600874.

It is an arithmetic number, because the mean of its divisors is an integer number (6518441466).

Almost surely, 2^121442330422 is an apocalyptic number.

121442330422 is a deficient number, since it is larger than the sum of its proper divisors (87147796490).

121442330422 is a wasteful number, since it uses less digits than its factorization.

121442330422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 121442330422 its reverse (224033244121), we get a palindrome (345475574543).

The spelling of 121442330422 in words is "one hundred twenty-one billion, four hundred forty-two million, three hundred thirty thousand, four hundred twenty-two".