2121330076 has 24 divisors (see below), whose sum is σ = 3734210480. Its totient is φ = 1054432512.

The previous prime is 2121330059. The next prime is 2121330109. The reversal of 2121330076 is 6700331212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121330076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500695 + ... + 504913.

Almost surely, 2^2121330076 is an apocalyptic number.

It is an amenable number.

2121330076 is a deficient number, since it is larger than the sum of its proper divisors (1612880404).

2121330076 is a wasteful number, since it uses less digits than its factorization.

2121330076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933 (or 4931 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2121330076 is about 46057.8991705006. The cubic root of 2121330076 is about 1284.9002584243.

Adding to 2121330076 its reverse (6700331212), we get a palindrome (8821661288).

The spelling of 2121330076 in words is "two billion, one hundred twenty-one million, three hundred thirty thousand, seventy-six".