2121323002 has 12 divisors (see below), whose sum is σ = 3380171310. Its totient is φ = 998269376.

The previous prime is 2121322997. The next prime is 2121323033. The reversal of 2121323002 is 2003231212.

It can be written as a sum of positive squares in 3 ways, for example, as 1891467081 + 229855921 = 43491^2 + 15161^2 .

It is a super-2 number, since 2×2121323002² = 9000022557628584008, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 1834477 + ... + 1835632.

Almost surely, 2^2121323002 is an apocalyptic number.

2121323002 is a deficient number, since it is larger than the sum of its proper divisors (1258848308).

2121323002 is a wasteful number, since it uses less digits than its factorization.

2121323002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670145 (or 3670128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2121323002 is about 46057.8223757919. The cubic root of 2121323002 is about 1284.8988301703.

Adding to 2121323002 its reverse (2003231212), we get a palindrome (4124554214).

The spelling of 2121323002 in words is "two billion, one hundred twenty-one million, three hundred twenty-three thousand, two".