1302221099 has 2 divisors, whose sum is σ = 1302221100. Its totient is φ = 1302221098.

The previous prime is 1302221071. The next prime is 1302221117. The reversal of 1302221099 is 9901222031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302221099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302221059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651110549 + 651110550.

It is an arithmetic number, because the mean of its divisors is an integer number (651110550).

Almost surely, 2^1302221099 is an apocalyptic number.

1302221099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302221099 is an equidigital number, since it uses as much as digits as its factorization.

1302221099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1302221099 is about 36086.3007109346. The cubic root of 1302221099 is about 1092.0140913687.

The spelling of 1302221099 in words is "one billion, three hundred two million, two hundred twenty-one thousand, ninety-nine".