2110220221061 has 2 divisors, whose sum is σ = 2110220221062. Its totient is φ = 2110220221060.

The previous prime is 2110220221019. The next prime is 2110220221117. The reversal of 2110220221061 is 1601220220112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2069771368900 + 40448852161 = 1438670^2 + 201119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110220221061 - 2³⁴ = 2093040351877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110220221661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055110110530 + 1055110110531.

It is an arithmetic number, because the mean of its divisors is an integer number (1055110110531).

Almost surely, 2^{2110220221061} is an apocalyptic number.

It is an amenable number.

2110220221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110220221061 is an equidigital number, since it uses as much as digits as its factorization.

2110220221061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2110220221061 its reverse (1601220220112), we get a palindrome (3711440441173).

The spelling of 2110220221061 in words is "two trillion, one hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, sixty-one".