1021211341 has 2 divisors, whose sum is σ = 1021211342. Its totient is φ = 1021211340.

The previous prime is 1021211311. The next prime is 1021211351. The reversal of 1021211341 is 1431121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781426116 + 239785225 = 27954^2 + 15485^2 .

It is an emirp because it is prime and its reverse (1431121201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021211341 - 2¹³ = 1021203149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021211311) 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, 510605670 + 510605671.

It is an arithmetic number, because the mean of its divisors is an integer number (510605671).

Almost surely, 2^1021211341 is an apocalyptic number.

It is an amenable number.

1021211341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021211341 is an equidigital number, since it uses as much as digits as its factorization.

1021211341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1021211341 is about 31956.3974972149. The cubic root of 1021211341 is about 1007.0210366768.

Adding to 1021211341 its reverse (1431121201), we get a palindrome (2452332542).

The spelling of 1021211341 in words is "one billion, twenty-one million, two hundred eleven thousand, three hundred forty-one".