2121062002 has 16 divisors (see below), whose sum is σ = 3202772760. Its totient is φ = 1053482112.

The previous prime is 2121061951. The next prime is 2121062011. The reversal of 2121062002 is 2002601212.

It can be written as a sum of positive squares in 4 ways, for example, as 1799541241 + 321520761 = 42421^2 + 17931^2 .

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, 575638 + ... + 579310.

Almost surely, 2^2121062002 is an apocalyptic number.

2121062002 is a deficient number, since it is larger than the sum of its proper divisors (1081710758).

2121062002 is a wasteful number, since it uses less digits than its factorization.

2121062002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2121062002 is about 46054.9888937127. The cubic root of 2121062002 is about 1284.8461315558.

Adding to 2121062002 its reverse (2002601212), we get a palindrome (4123663214).

The spelling of 2121062002 in words is "two billion, one hundred twenty-one million, sixty-two thousand, two".