93102311221 has 2 divisors, whose sum is σ = 93102311222. Its totient is φ = 93102311220.

The previous prime is 93102311207. The next prime is 93102311249. The reversal of 93102311221 is 12211320139.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60346379025 + 32755932196 = 245655^2 + 180986^2 .

It is an emirp because it is prime and its reverse (12211320139) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93102311221 - 2⁵ = 93102311189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93102311201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46551155610 + 46551155611.

It is an arithmetic number, because the mean of its divisors is an integer number (46551155611).

Almost surely, 2^93102311221 is an apocalyptic number.

It is an amenable number.

93102311221 is a deficient number, since it is larger than the sum of its proper divisors (1).

93102311221 is an equidigital number, since it uses as much as digits as its factorization.

93102311221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 93102311221 in words is "ninety-three billion, one hundred two million, three hundred eleven thousand, two hundred twenty-one".