211213033223 has 2 divisors, whose sum is σ = 211213033224. Its totient is φ = 211213033222.

The previous prime is 211213033183. The next prime is 211213033267. The reversal of 211213033223 is 322330312112.

211213033223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211213033223 - 2⁸ = 211213032967 is a prime.

It is a super-2 number, since 2×211213033223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211213033723) 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, 105606516611 + 105606516612.

It is an arithmetic number, because the mean of its divisors is an integer number (105606516612).

Almost surely, 2^211213033223 is an apocalyptic number.

211213033223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211213033223 is an equidigital number, since it uses as much as digits as its factorization.

211213033223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211213033223 its reverse (322330312112), we get a palindrome (533543345335).

The spelling of 211213033223 in words is "two hundred eleven billion, two hundred thirteen million, thirty-three thousand, two hundred twenty-three".