100720342927927 has 2 divisors, whose sum is σ = 100720342927928. Its totient is φ = 100720342927926.

The previous prime is 100720342927913. The next prime is 100720342927973. The reversal of 100720342927927 is 729729243027001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100720342927927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100720342907927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50360171463963 + 50360171463964.

It is an arithmetic number, because the mean of its divisors is an integer number (50360171463964).

Almost surely, 2^{100720342927927} is an apocalyptic number.

100720342927927 is a deficient number, since it is larger than the sum of its proper divisors (1).

100720342927927 is an equidigital number, since it uses as much as digits as its factorization.

100720342927927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 100720342927927 in words is "one hundred trillion, seven hundred twenty billion, three hundred forty-two million, nine hundred twenty-seven thousand, nine hundred twenty-seven".