109638930011321 has 2 divisors, whose sum is σ = 109638930011322. Its totient is φ = 109638930011320.

The previous prime is 109638930011311. The next prime is 109638930011333. The reversal of 109638930011321 is 123110039836901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109176481050025 + 462448961296 = 10448755^2 + 680036^2 .

It is a cyclic number.

It is not a de Polignac number, because 109638930011321 - 2⁴² = 105240883500217 is a prime.

It is not a weakly prime, because it can be changed into another prime (109638930011311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54819465005660 + 54819465005661.

It is an arithmetic number, because the mean of its divisors is an integer number (54819465005661).

Almost surely, 2^{109638930011321} is an apocalyptic number.

It is an amenable number.

109638930011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

109638930011321 is an equidigital number, since it uses as much as digits as its factorization.

109638930011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 109638930011321 in words is "one hundred nine trillion, six hundred thirty-eight billion, nine hundred thirty million, eleven thousand, three hundred twenty-one".