1321102033 has 2 divisors, whose sum is σ = 1321102034. Its totient is φ = 1321102032.

The previous prime is 1321102031. The next prime is 1321102051. The reversal of 1321102033 is 3302011231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1059697809 + 261404224 = 32553^2 + 16168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1321102033 - 2¹ = 1321102031 is a prime.

Together with 1321102031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1321101998 and 1321102016.

It is not a weakly prime, because it can be changed into another prime (1321102031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660551016 + 660551017.

It is an arithmetic number, because the mean of its divisors is an integer number (660551017).

Almost surely, 2^1321102033 is an apocalyptic number.

It is an amenable number.

1321102033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321102033 is an equidigital number, since it uses as much as digits as its factorization.

1321102033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1321102033 is about 36346.9673150319. The cubic root of 1321102033 is about 1097.2665002080.

Adding to 1321102033 its reverse (3302011231), we get a palindrome (4623113264).

The spelling of 1321102033 in words is "one billion, three hundred twenty-one million, one hundred two thousand, thirty-three".