1011212110213 has 2 divisors, whose sum is σ = 1011212110214. Its totient is φ = 1011212110212.

The previous prime is 1011212110187. The next prime is 1011212110217. The reversal of 1011212110213 is 3120112121101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539933979204 + 471278131009 = 734802^2 + 686497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011212110213 - 2⁹ = 1011212109701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011212110217) 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, 505606055106 + 505606055107.

It is an arithmetic number, because the mean of its divisors is an integer number (505606055107).

Almost surely, 2^{1011212110213} is an apocalyptic number.

It is an amenable number.

1011212110213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011212110213 is an equidigital number, since it uses as much as digits as its factorization.

1011212110213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1011212110213 its reverse (3120112121101), we get a palindrome (4131324231314).

The spelling of 1011212110213 in words is "one trillion, eleven billion, two hundred twelve million, one hundred ten thousand, two hundred thirteen".