220210102020061 has 2 divisors, whose sum is σ = 220210102020062. Its totient is φ = 220210102020060.

The previous prime is 220210102020059. The next prime is 220210102020127. The reversal of 220210102020061 is 160020201012022.

220210102020061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128888474644836 + 91321627375225 = 11352906^2 + 9556235^2 .

It is a cyclic number.

It is not a de Polignac number, because 220210102020061 - 2¹ = 220210102020059 is a prime.

Together with 220210102020059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220210102024061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105051010030 + 110105051010031.

It is an arithmetic number, because the mean of its divisors is an integer number (110105051010031).

Almost surely, 2^{220210102020061} is an apocalyptic number.

It is an amenable number.

220210102020061 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210102020061 is an equidigital number, since it uses as much as digits as its factorization.

220210102020061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220210102020061 its reverse (160020201012022), we get a palindrome (380230303032083).

The spelling of 220210102020061 in words is "two hundred twenty trillion, two hundred ten billion, one hundred two million, twenty thousand, sixty-one".