212021102323 has 2 divisors, whose sum is σ = 212021102324. Its totient is φ = 212021102322.

The previous prime is 212021102273. The next prime is 212021102341. The reversal of 212021102323 is 323201120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021102323 - 2¹⁷ = 212020971251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212021102323.

It is not a weakly prime, because it can be changed into another prime (212021102023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010551161 + 106010551162.

It is an arithmetic number, because the mean of its divisors is an integer number (106010551162).

Almost surely, 2^212021102323 is an apocalyptic number.

212021102323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021102323 is an equidigital number, since it uses as much as digits as its factorization.

212021102323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212021102323 its reverse (323201120212), we get a palindrome (535222222535).

The spelling of 212021102323 in words is "two hundred twelve billion, twenty-one million, one hundred two thousand, three hundred twenty-three".