1321102207 has 2 divisors, whose sum is σ = 1321102208. Its totient is φ = 1321102206.

The previous prime is 1321102121. The next prime is 1321102213. The reversal of 1321102207 is 7022011231.

It is a strong prime.

It is an emirp because it is prime and its reverse (7022011231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1321102207 - 2¹¹ = 1321100159 is a prime.

It is a super-2 number, since 2×1321102207² = 3490622082680541698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321102297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660551103 + 660551104.

It is an arithmetic number, because the mean of its divisors is an integer number (660551104).

Almost surely, 2^1321102207 is an apocalyptic number.

1321102207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321102207 is an equidigital number, since it uses as much as digits as its factorization.

1321102207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1321102207 is about 36346.9697086291. The cubic root of 1321102207 is about 1097.2665483810.

Adding to 1321102207 its reverse (7022011231), we get a palindrome (8343113438).

The spelling of 1321102207 in words is "one billion, three hundred twenty-one million, one hundred two thousand, two hundred seven".