2121122202003 has 12 divisors (see below), whose sum is σ = 3501535063728. Its totient is φ = 1212069829680.

The previous prime is 2121122201969. The next prime is 2121122202037. The reversal of 2121122202003 is 3002022211212.

It is an interprime number because it is at equal distance from previous prime (2121122201969) and next prime (2121122202037).

It is not a de Polignac number, because 2121122202003 - 2⁸ = 2121122201747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121122202053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16834303128 + ... + 16834303253.

It is an arithmetic number, because the mean of its divisors is an integer number (291794588644).

Almost surely, 2^{2121122202003} is an apocalyptic number.

2121122202003 is a deficient number, since it is larger than the sum of its proper divisors (1380412861725).

2121122202003 is a wasteful number, since it uses less digits than its factorization.

2121122202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33668606394 (or 33668606391 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2121122202003 its reverse (3002022211212), we get a palindrome (5123144413215).

The spelling of 2121122202003 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, three".