2211212121003 has 12 divisors (see below), whose sum is σ = 3195024790048. Its totient is φ = 1473656001840.

The previous prime is 2211212120993. The next prime is 2211212121043. The reversal of 2211212121003 is 3001212121122.

It is not a de Polignac number, because 2211212121003 - 2¹⁰ = 2211212119979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211212121043) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40422163 + ... + 40476828.

Almost surely, 2^{2211212121003} is an apocalyptic number.

2211212121003 is a deficient number, since it is larger than the sum of its proper divisors (983812669045).

2211212121003 is a wasteful number, since it uses less digits than its factorization.

2211212121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80902034 (or 80902031 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2211212121003 its reverse (3001212121122), we get a palindrome (5212424242125).

The spelling of 2211212121003 in words is "two trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, three".