2021212443023 has 2 divisors, whose sum is σ = 2021212443024. Its totient is φ = 2021212443022.

The previous prime is 2021212442981. The next prime is 2021212443037. The reversal of 2021212443023 is 3203442121202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021212443023 - 2²⁸ = 2020944007567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021212442983 and 2021212443001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021212443053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010606221511 + 1010606221512.

It is an arithmetic number, because the mean of its divisors is an integer number (1010606221512).

Almost surely, 2^{2021212443023} is an apocalyptic number.

2021212443023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021212443023 is an equidigital number, since it uses as much as digits as its factorization.

2021212443023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2021212443023 its reverse (3203442121202), we get a palindrome (5224654564225).

The spelling of 2021212443023 in words is "two trillion, twenty-one billion, two hundred twelve million, four hundred forty-three thousand, twenty-three".