121401133320 has 64 divisors (see below), whose sum is σ = 364250312640. Its totient is φ = 32369465600.

The previous prime is 121401133247. The next prime is 121401133351. The reversal of 121401133320 is 23331104121.

121401133320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933910 + ... + 1055930.

It is an arithmetic number, because the mean of its divisors is an integer number (5691411135).

Almost surely, 2^121401133320 is an apocalyptic number.

121401133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121401133320 is an abundant number, since it is smaller than the sum of its proper divisors (242849179320).

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

121401133320 is a wasteful number, since it uses less digits than its factorization.

121401133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130326 (or 130322 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121401133320 its reverse (23331104121), we get a palindrome (144732237441).

The spelling of 121401133320 in words is "one hundred twenty-one billion, four hundred one million, one hundred thirty-three thousand, three hundred twenty".