2120102002 has 16 divisors (see below), whose sum is σ = 3197112192. Its totient is φ = 1054413360.

The previous prime is 2120101987. The next prime is 2120102003. The reversal of 2120102002 is 2002010212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120102002.

It is not an unprimeable number, because it can be changed into a prime (2120102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303048 + ... + 309964.

It is an arithmetic number, because the mean of its divisors is an integer number (199819512).

Almost surely, 2^2120102002 is an apocalyptic number.

2120102002 is a deficient number, since it is larger than the sum of its proper divisors (1077010190).

2120102002 is a wasteful number, since it uses less digits than its factorization.

2120102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120102002 is about 46044.5653904997. The cubic root of 2120102002 is about 1284.6522603692.

Adding to 2120102002 its reverse (2002010212), we get a palindrome (4122112214).

The spelling of 2120102002 in words is "two billion, one hundred twenty million, one hundred two thousand, two".