1010020320061 has 2 divisors, whose sum is σ = 1010020320062. Its totient is φ = 1010020320060.

The previous prime is 1010020320037. The next prime is 1010020320083. The reversal of 1010020320061 is 1600230200101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857487112036 + 152533208025 = 926006^2 + 390555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020320061 - 2¹⁹ = 1010019795773 is a prime.

It is a super-2 number, since 2×1010020320061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020320091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010160030 + 505010160031.

It is an arithmetic number, because the mean of its divisors is an integer number (505010160031).

Almost surely, 2^{1010020320061} is an apocalyptic number.

It is an amenable number.

1010020320061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020320061 is an equidigital number, since it uses as much as digits as its factorization.

1010020320061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1010020320061 its reverse (1600230200101), we get a palindrome (2610250520162).

The spelling of 1010020320061 in words is "one trillion, ten billion, twenty million, three hundred twenty thousand, sixty-one".