2121402302 has 8 divisors (see below), whose sum is σ = 3194781912. Its totient is φ = 1056475000.

The previous prime is 2121402299. The next prime is 2121402313. The reversal of 2121402302 is 2032041212.

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

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 3 ways as a sum of consecutive naturals, for example, 2112449 + ... + 2113452.

It is an arithmetic number, because the mean of its divisors is an integer number (399347739).

Almost surely, 2^2121402302 is an apocalyptic number.

2121402302 is a deficient number, since it is larger than the sum of its proper divisors (1073379610).

2121402302 is a wasteful number, since it uses less digits than its factorization.

2121402302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226154.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2121402302 is about 46058.6832421423. The cubic root of 2121402302 is about 1284.9148408089.

Adding to 2121402302 its reverse (2032041212), we get a palindrome (4153443514).

The spelling of 2121402302 in words is "two billion, one hundred twenty-one million, four hundred two thousand, three hundred two".