1102323221 has 2 divisors, whose sum is σ = 1102323222. Its totient is φ = 1102323220.

The previous prime is 1102323161. The next prime is 1102323223. The reversal of 1102323221 is 1223232011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716632900 + 385690321 = 26770^2 + 19639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102323221 - 2¹⁴ = 1102306837 is a prime.

Together with 1102323223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102323221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551161610 + 551161611.

It is an arithmetic number, because the mean of its divisors is an integer number (551161611).

Almost surely, 2^1102323221 is an apocalyptic number.

It is an amenable number.

1102323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102323221 is an equidigital number, since it uses as much as digits as its factorization.

1102323221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1102323221 is about 33201.2533046570. The cubic root of 1102323221 is about 1033.0063362024.

Adding to 1102323221 its reverse (1223232011), we get a palindrome (2325555232).

The spelling of 1102323221 in words is "one billion, one hundred two million, three hundred twenty-three thousand, two hundred twenty-one".