9970221103 has 2 divisors, whose sum is σ = 9970221104. Its totient is φ = 9970221102.

The previous prime is 9970221091. The next prime is 9970221127. The reversal of 9970221103 is 3011220799.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9970221103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9970221143) 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, 4985110551 + 4985110552.

It is an arithmetic number, because the mean of its divisors is an integer number (4985110552).

Almost surely, 2^9970221103 is an apocalyptic number.

9970221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970221103 is an equidigital number, since it uses as much as digits as its factorization.

9970221103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9970221103 is about 99850.9945018075. The cubic root of 9970221103 is about 2152.2940074271.

The spelling of 9970221103 in words is "nine billion, nine hundred seventy million, two hundred twenty-one thousand, one hundred three".