212213030111 has 2 divisors, whose sum is σ = 212213030112. Its totient is φ = 212213030110.

The previous prime is 212213030087. The next prime is 212213030167. The reversal of 212213030111 is 111030312212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212213030111 - 2¹⁸ = 212212767967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212213030111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212213030011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106515055 + 106106515056.

It is an arithmetic number, because the mean of its divisors is an integer number (106106515056).

Almost surely, 2^212213030111 is an apocalyptic number.

212213030111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213030111 is an equidigital number, since it uses as much as digits as its factorization.

212213030111 is an evil number, because the sum of its binary digits is even.

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

Adding to 212213030111 its reverse (111030312212), we get a palindrome (323243342323).

The spelling of 212213030111 in words is "two hundred twelve billion, two hundred thirteen million, thirty thousand, one hundred eleven".