9913211101 has 2 divisors, whose sum is σ = 9913211102. Its totient is φ = 9913211100.

The previous prime is 9913211089. The next prime is 9913211111. The reversal of 9913211101 is 1011123199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112107001 + 4801104100 = 71499^2 + 69290^2 .

It is a cyclic number.

It is not a de Polignac number, because 9913211101 - 2¹⁷ = 9913080029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9913211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9913211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956605550 + 4956605551.

It is an arithmetic number, because the mean of its divisors is an integer number (4956605551).

Almost surely, 2^9913211101 is an apocalyptic number.

It is an amenable number.

9913211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913211101 is an equidigital number, since it uses as much as digits as its factorization.

9913211101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 9913211101 is about 99565.1098578212. The cubic root of 9913211101 is about 2148.1838711231.

The spelling of 9913211101 in words is "nine billion, nine hundred thirteen million, two hundred eleven thousand, one hundred one".