2121404096 has 56 divisors (see below), whose sum is σ = 4841845536. Its totient is φ = 903352320.

The previous prime is 2121404081. The next prime is 2121404111. The reversal of 2121404096 is 6904041212.

It is an interprime number because it is at equal distance from previous prime (2121404081) and next prime (2121404111).

It is a tau number, because it is divible by the number of its divisors (56).

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, 55256 + ... + 85416.

Almost surely, 2^2121404096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121404096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2420922768).

2121404096 is an abundant number, since it is smaller than the sum of its proper divisors (2720441440).

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

2121404096 is a wasteful number, since it uses less digits than its factorization.

2121404096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30337 (or 30327 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2121404096 is about 46058.7027172933. The cubic root of 2121404096 is about 1284.9152030121.

The spelling of 2121404096 in words is "two billion, one hundred twenty-one million, four hundred four thousand, ninety-six".