2021212443003 has 32 divisors (see below), whose sum is σ = 2951922489600. Its totient is φ = 1222543276416.

The previous prime is 2021212442981. The next prime is 2021212443023. The reversal of 2021212443003 is 3003442121202.

It is a happy number.

It is not a de Polignac number, because 2021212443003 - 2¹⁰ = 2021212441979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021212443023) 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 31 ways as a sum of consecutive naturals, for example, 14817276 + ... + 14953062.

It is an arithmetic number, because the mean of its divisors is an integer number (92247577800).

Almost surely, 2^{2021212443003} is an apocalyptic number.

2021212443003 is a deficient number, since it is larger than the sum of its proper divisors (930710046597).

2021212443003 is a wasteful number, since it uses less digits than its factorization.

2021212443003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142331.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2021212443003 its reverse (3003442121202), we get a palindrome (5024654564205).

The spelling of 2021212443003 in words is "two trillion, twenty-one billion, two hundred twelve million, four hundred forty-three thousand, three".