2121012113329 has 8 divisors (see below), whose sum is σ = 2233641536000. Its totient is φ = 2008482411312.

The previous prime is 2121012113323. The next prime is 2121012113357. The reversal of 2121012113329 is 9233112101212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121012113329 - 2¹⁹ = 2121011589041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121012113297 and 2121012113306.

It is not an unprimeable number, because it can be changed into a prime (2121012113323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24886494 + ... + 24971575.

It is an arithmetic number, because the mean of its divisors is an integer number (279205192000).

Almost surely, 2^{2121012113329} is an apocalyptic number.

It is an amenable number.

2121012113329 is a deficient number, since it is larger than the sum of its proper divisors (112629422671).

2121012113329 is a wasteful number, since it uses less digits than its factorization.

2121012113329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49860327.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 2121012113329 in words is "two trillion, one hundred twenty-one billion, twelve million, one hundred thirteen thousand, three hundred twenty-nine".