121121330132 has 48 divisors (see below), whose sum is σ = 233776513152. Its totient is φ = 54450602880.

The previous prime is 121121330129. The next prime is 121121330137. The reversal of 121121330132 is 231033121121.

It is a happy number.

It is a super-2 number, since 2×121121330132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121330137) 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, 3595238 + ... + 3628770.

It is an arithmetic number, because the mean of its divisors is an integer number (4870344024).

Almost surely, 2^121121330132 is an apocalyptic number.

It is an amenable number.

121121330132 is a deficient number, since it is larger than the sum of its proper divisors (112655183020).

121121330132 is a wasteful number, since it uses less digits than its factorization.

121121330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34448 (or 34446 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121121330132 its reverse (231033121121), we get a palindrome (352154451253).

The spelling of 121121330132 in words is "one hundred twenty-one billion, one hundred twenty-one million, three hundred thirty thousand, one hundred thirty-two".