1021314211 has 2 divisors, whose sum is σ = 1021314212. Its totient is φ = 1021314210.

The previous prime is 1021314209. The next prime is 1021314221. The reversal of 1021314211 is 1124131201.

It is a weak prime.

It is an emirp because it is prime and its reverse (1124131201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021314211 - 2¹ = 1021314209 is a prime.

Together with 1021314209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1021314221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510657105 + 510657106.

It is an arithmetic number, because the mean of its divisors is an integer number (510657106).

Almost surely, 2^1021314211 is an apocalyptic number.

1021314211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021314211 is an equidigital number, since it uses as much as digits as its factorization.

1021314211 is an evil number, because the sum of its binary digits is even.

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

The square root of 1021314211 is about 31958.0069935533. The cubic root of 1021314211 is about 1007.0548490627.

Adding to 1021314211 its reverse (1124131201), we get a palindrome (2145445412).

The spelling of 1021314211 in words is "one billion, twenty-one million, three hundred fourteen thousand, two hundred eleven".