121330021332 has 24 divisors (see below), whose sum is σ = 304880566816. Its totient is φ = 37332314208.

The previous prime is 121330021321. The next prime is 121330021387. The reversal of 121330021332 is 233120033121.

121330021332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121330021299 and 121330021308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388878118 + ... + 388878429.

Almost surely, 2^121330021332 is an apocalyptic number.

121330021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121330021332 is an abundant number, since it is smaller than the sum of its proper divisors (183550545484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121330021332 is a wasteful number, since it uses less digits than its factorization.

121330021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777756567 (or 777756565 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121330021332 its reverse (233120033121), we get a palindrome (354450054453).

The spelling of 121330021332 in words is "one hundred twenty-one billion, three hundred thirty million, twenty-one thousand, three hundred thirty-two".