1102134221 has 2 divisors, whose sum is σ = 1102134222. Its totient is φ = 1102134220.

The previous prime is 1102134203. The next prime is 1102134233. The reversal of 1102134221 is 1224312011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773618596 + 328515625 = 27814^2 + 18125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102134221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102134221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102134421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551067110 + 551067111.

It is an arithmetic number, because the mean of its divisors is an integer number (551067111).

Almost surely, 2^1102134221 is an apocalyptic number.

It is an amenable number.

1102134221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102134221 is an equidigital number, since it uses as much as digits as its factorization.

1102134221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1102134221 is about 33198.4069045489. The cubic root of 1102134221 is about 1032.9472944280.

Adding to 1102134221 its reverse (1224312011), we get a palindrome (2326446232).

The spelling of 1102134221 in words is "one billion, one hundred two million, one hundred thirty-four thousand, two hundred twenty-one".