121331213330 has 8 divisors (see below), whose sum is σ = 218396184012. Its totient is φ = 48532485328.

The previous prime is 121331213321. The next prime is 121331213351. The reversal of 121331213330 is 33312133121.

It can be written as a sum of positive squares in 2 ways, for example, as 106842035689 + 14489177641 = 326867^2 + 120371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121331213296 and 121331213305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6066560657 + ... + 6066560676.

Almost surely, 2^121331213330 is an apocalyptic number.

121331213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121331213330 is a deficient number, since it is larger than the sum of its proper divisors (97064970682).

121331213330 is a wasteful number, since it uses less digits than its factorization.

121331213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133121340.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121331213330 its reverse (33312133121), we get a palindrome (154643346451).

The spelling of 121331213330 in words is "one hundred twenty-one billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred thirty".