212211121033 has 2 divisors, whose sum is σ = 212211121034. Its totient is φ = 212211121032.

The previous prime is 212211120997. The next prime is 212211121037. The reversal of 212211121033 is 330121112212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159031071369 + 53180049664 = 398787^2 + 230608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211121033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211121033.

It is not a weakly prime, because it can be changed into another prime (212211121037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105560516 + 106105560517.

It is an arithmetic number, because the mean of its divisors is an integer number (106105560517).

Almost surely, 2^212211121033 is an apocalyptic number.

It is an amenable number.

212211121033 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211121033 is an equidigital number, since it uses as much as digits as its factorization.

212211121033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212211121033 its reverse (330121112212), we get a palindrome (542332233245).

The spelling of 212211121033 in words is "two hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, thirty-three".