101321093 has 2 divisors, whose sum is σ = 101321094. Its totient is φ = 101321092.

The previous prime is 101321089. The next prime is 101321117. The reversal of 101321093 is 390123101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77827684 + 23493409 = 8822^2 + 4847^2 .

It is an emirp because it is prime and its reverse (390123101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101321093 - 2² = 101321089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101321023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660546 + 50660547.

It is an arithmetic number, because the mean of its divisors is an integer number (50660547).

Almost surely, 2^101321093 is an apocalyptic number.

It is an amenable number.

101321093 is a deficient number, since it is larger than the sum of its proper divisors (1).

101321093 is an equidigital number, since it uses as much as digits as its factorization.

101321093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 101321093 is about 10065.8379184249. The cubic root of 101321093 is about 466.1939380157.

Adding to 101321093 its reverse (390123101), we get a palindrome (491444194).

The spelling of 101321093 in words is "one hundred one million, three hundred twenty-one thousand, ninety-three".