100520919982073 has 2 divisors, whose sum is σ = 100520919982074. Its totient is φ = 100520919982072.

The previous prime is 100520919982009. The next prime is 100520919982079. The reversal of 100520919982073 is 370289919025001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79906668536809 + 20614251445264 = 8939053^2 + 4540292^2 .

It is a cyclic number.

It is not a de Polignac number, because 100520919982073 - 2⁶ = 100520919982009 is a prime.

It is not a weakly prime, because it can be changed into another prime (100520919982079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260459991036 + 50260459991037.

It is an arithmetic number, because the mean of its divisors is an integer number (50260459991037).

Almost surely, 2^{100520919982073} is an apocalyptic number.

It is an amenable number.

100520919982073 is a deficient number, since it is larger than the sum of its proper divisors (1).

100520919982073 is an equidigital number, since it uses as much as digits as its factorization.

100520919982073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 100520919982073 in words is "one hundred trillion, five hundred twenty billion, nine hundred nineteen million, nine hundred eighty-two thousand, seventy-three".