1021212002093 has 2 divisors, whose sum is σ = 1021212002094. Its totient is φ = 1021212002092.

The previous prime is 1021212002081. The next prime is 1021212002137. The reversal of 1021212002093 is 3902002121201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 854149336804 + 167062665289 = 924202^2 + 408733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021212002093 - 2⁴ = 1021212002077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021212002593) 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, 510606001046 + 510606001047.

It is an arithmetic number, because the mean of its divisors is an integer number (510606001047).

Almost surely, 2^{1021212002093} is an apocalyptic number.

It is an amenable number.

1021212002093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021212002093 is an equidigital number, since it uses as much as digits as its factorization.

1021212002093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1021212002093 its reverse (3902002121201), we get a palindrome (4923214123294).

The spelling of 1021212002093 in words is "one trillion, twenty-one billion, two hundred twelve million, two thousand, ninety-three".