100120020277 has 2 divisors, whose sum is σ = 100120020278. Its totient is φ = 100120020276.

The previous prime is 100120020163. The next prime is 100120020317. The reversal of 100120020277 is 772020021001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65392206961 + 34727813316 = 255719^2 + 186354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120020277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120020577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060010138 + 50060010139.

It is an arithmetic number, because the mean of its divisors is an integer number (50060010139).

Almost surely, 2^100120020277 is an apocalyptic number.

It is an amenable number.

100120020277 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120020277 is an equidigital number, since it uses as much as digits as its factorization.

100120020277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

Adding to 100120020277 its reverse (772020021001), we get a palindrome (872140041278).

The spelling of 100120020277 in words is "one hundred billion, one hundred twenty million, twenty thousand, two hundred seventy-seven".