10988703221 has 2 divisors, whose sum is σ = 10988703222. Its totient is φ = 10988703220.

The previous prime is 10988703197. The next prime is 10988703233. The reversal of 10988703221 is 12230788901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10854722596 + 133980625 = 104186^2 + 11575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10988703221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10988703421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5494351610 + 5494351611.

It is an arithmetic number, because the mean of its divisors is an integer number (5494351611).

Almost surely, 2^10988703221 is an apocalyptic number.

It is an amenable number.

10988703221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10988703221 is an equidigital number, since it uses as much as digits as its factorization.

10988703221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 10988703221 in words is "ten billion, nine hundred eighty-eight million, seven hundred three thousand, two hundred twenty-one".