121311330330 has 16 divisors (see below), whose sum is σ = 291147192864. Its totient is φ = 32349688080.

The previous prime is 121311330281. The next prime is 121311330389. The reversal of 121311330330 is 33033113121.

It is a junction number, because it is equal to n+sod(n) for n = 121311330297 and 121311330306.

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, 2021855476 + ... + 2021855535.

It is an arithmetic number, because the mean of its divisors is an integer number (18196699554).

Almost surely, 2^121311330330 is an apocalyptic number.

121311330330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311330330 is an abundant number, since it is smaller than the sum of its proper divisors (169835862534).

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

121311330330 is a wasteful number, since it uses less digits than its factorization.

121311330330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043711021.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 121311330330 its reverse (33033113121), we get a palindrome (154344443451).

The spelling of 121311330330 in words is "one hundred twenty-one billion, three hundred eleven million, three hundred thirty thousand, three hundred thirty".