212030111011 has 2 divisors, whose sum is σ = 212030111012. Its totient is φ = 212030111010.

The previous prime is 212030110997. The next prime is 212030111039. The reversal of 212030111011 is 110111030212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212030111011 - 2¹³ = 212030102819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212030110982 and 212030111000.

It is not a weakly prime, because it can be changed into another prime (212030111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015055505 + 106015055506.

It is an arithmetic number, because the mean of its divisors is an integer number (106015055506).

Almost surely, 2^212030111011 is an apocalyptic number.

212030111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030111011 is an equidigital number, since it uses as much as digits as its factorization.

212030111011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 212030111011 its reverse (110111030212), we get a palindrome (322141141223).

It can be divided in two parts, 2120301 and 11011, that added together give a palindrome (2131312).

The spelling of 212030111011 in words is "two hundred twelve billion, thirty million, one hundred eleven thousand, eleven".