109693321221073 has 2 divisors, whose sum is σ = 109693321221074. Its totient is φ = 109693321221072.

The previous prime is 109693321221061. The next prime is 109693321221161. The reversal of 109693321221073 is 370122123396901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68336807825664 + 41356513395409 = 8266608^2 + 6430903^2 .

It is a cyclic number.

It is not a de Polignac number, because 109693321221073 - 2⁵ = 109693321221041 is a prime.

It is not a weakly prime, because it can be changed into another prime (109693321221053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54846660610536 + 54846660610537.

It is an arithmetic number, because the mean of its divisors is an integer number (54846660610537).

Almost surely, 2^{109693321221073} is an apocalyptic number.

It is an amenable number.

109693321221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

109693321221073 is an equidigital number, since it uses as much as digits as its factorization.

109693321221073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 109693321221073 in words is "one hundred nine trillion, six hundred ninety-three billion, three hundred twenty-one million, two hundred twenty-one thousand, seventy-three".