133121121330 has 32 divisors (see below), whose sum is σ = 321606534528. Its totient is φ = 35263872000.

The previous prime is 133121121307. The next prime is 133121121359. The reversal of 133121121330 is 33121121331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133121121297 and 133121121306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14688751 + ... + 14697810.

It is an arithmetic number, because the mean of its divisors is an integer number (10050204204).

Almost surely, 2^133121121330 is an apocalyptic number.

133121121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133121121330 is an abundant number, since it is smaller than the sum of its proper divisors (188485413198).

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

133121121330 is a wasteful number, since it uses less digits than its factorization.

133121121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29386722.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133121121330 its reverse (33121121331), we get a palindrome (166242242661).

Subtracting from 133121121330 its reverse (33121121331), we obtain a palindrome (99999999999).

The spelling of 133121121330 in words is "one hundred thirty-three billion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty".