210120301032101 has 2 divisors, whose sum is σ = 210120301032102. Its totient is φ = 210120301032100.

The previous prime is 210120301032017. The next prime is 210120301032143. The reversal of 210120301032101 is 101230103021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174564184251076 + 35556116781025 = 13212274^2 + 5962895^2 .

It is a cyclic number.

It is not a de Polignac number, because 210120301032101 - 2³⁰ = 210119227290277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210120301032101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210120321032101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060150516050 + 105060150516051.

It is an arithmetic number, because the mean of its divisors is an integer number (105060150516051).

Almost surely, 2^{210120301032101} is an apocalyptic number.

It is an amenable number.

210120301032101 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120301032101 is an equidigital number, since it uses as much as digits as its factorization.

210120301032101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210120301032101 its reverse (101230103021012), we get a palindrome (311350404053113).

The spelling of 210120301032101 in words is "two hundred ten trillion, one hundred twenty billion, three hundred one million, thirty-two thousand, one hundred one".