90330321101 has 2 divisors, whose sum is σ = 90330321102. Its totient is φ = 90330321100.

The previous prime is 90330321041. The next prime is 90330321121. The reversal of 90330321101 is 10112303309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90224539876 + 105781225 = 300374^2 + 10285^2 .

It is an emirp because it is prime and its reverse (10112303309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90330321101 - 2¹⁰ = 90330320077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90330321121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45165160550 + 45165160551.

It is an arithmetic number, because the mean of its divisors is an integer number (45165160551).

Almost surely, 2^90330321101 is an apocalyptic number.

It is an amenable number.

90330321101 is a deficient number, since it is larger than the sum of its proper divisors (1).

90330321101 is an equidigital number, since it uses as much as digits as its factorization.

90330321101 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 23.

The spelling of 90330321101 in words is "ninety billion, three hundred thirty million, three hundred twenty-one thousand, one hundred one".