210020132310061 has 2 divisors, whose sum is σ = 210020132310062. Its totient is φ = 210020132310060.

The previous prime is 210020132310049. The next prime is 210020132310181. The reversal of 210020132310061 is 160013231020012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109488808416100 + 100531323893961 = 10463690^2 + 10026531^2 .

It is a cyclic number.

It is not a de Polignac number, because 210020132310061 - 2⁹ = 210020132309549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210020132310661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010066155030 + 105010066155031.

It is an arithmetic number, because the mean of its divisors is an integer number (105010066155031).

Almost surely, 2^{210020132310061} is an apocalyptic number.

It is an amenable number.

210020132310061 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020132310061 is an equidigital number, since it uses as much as digits as its factorization.

210020132310061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 210020132310061 its reverse (160013231020012), we get a palindrome (370033363330073).

The spelling of 210020132310061 in words is "two hundred ten trillion, twenty billion, one hundred thirty-two million, three hundred ten thousand, sixty-one".