9800221241 has 2 divisors, whose sum is σ = 9800221242. Its totient is φ = 9800221240.

The previous prime is 9800221229. The next prime is 9800221247. The reversal of 9800221241 is 1421220089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9800208016 + 13225 = 98996^2 + 115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9800221241 is a prime.

It is not a weakly prime, because it can be changed into another prime (9800221247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900110620 + 4900110621.

It is an arithmetic number, because the mean of its divisors is an integer number (4900110621).

Almost surely, 2^9800221241 is an apocalyptic number.

It is an amenable number.

9800221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

9800221241 is an equidigital number, since it uses as much as digits as its factorization.

9800221241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 9800221241 is about 98996.0667956056. The cubic root of 9800221241 is about 2139.9910647573.

The spelling of 9800221241 in words is "nine billion, eight hundred million, two hundred twenty-one thousand, two hundred forty-one".