9911101 has 2 divisors, whose sum is σ = 9911102. Its totient is φ = 9911100.

The previous prime is 9911087. The next prime is 9911123. The reversal of 9911101 is 1011199.

It is an a-pointer prime, because the next prime (9911123) can be obtained adding 9911101 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8259876 + 1651225 = 2874^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 9911101 - 2⁷ = 9910973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9911131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4955550 + 4955551.

It is an arithmetic number, because the mean of its divisors is an integer number (4955551).

Almost surely, 2^9911101 is an apocalyptic number.

It is an amenable number.

9911101 is a deficient number, since it is larger than the sum of its proper divisors (1).

9911101 is an equidigital number, since it uses as much as digits as its factorization.

9911101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 9911101 is about 3148.1901149708. The cubic root of 9911101 is about 214.8031441315.

The spelling of 9911101 in words is "nine million, nine hundred eleven thousand, one hundred one".