213102111023 has 2 divisors, whose sum is σ = 213102111024. Its totient is φ = 213102111022.

The previous prime is 213102111011. The next prime is 213102111029. The reversal of 213102111023 is 320111201312.

213102111023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213102111023 - 2⁴ = 213102111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213102110992 and 213102111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213102111029) 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 as a sum of consecutive naturals, namely, 106551055511 + 106551055512.

It is an arithmetic number, because the mean of its divisors is an integer number (106551055512).

Almost surely, 2^213102111023 is an apocalyptic number.

213102111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213102111023 is an equidigital number, since it uses as much as digits as its factorization.

213102111023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213102111023 its reverse (320111201312), we get a palindrome (533213312335).

The spelling of 213102111023 in words is "two hundred thirteen billion, one hundred two million, one hundred eleven thousand, twenty-three".