10210111022161 has 2 divisors, whose sum is σ = 10210111022162. Its totient is φ = 10210111022160.

The previous prime is 10210111022087. The next prime is 10210111022173. The reversal of 10210111022161 is 16122011101201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7640630260561 + 2569480761600 = 2764169^2 + 1602960^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210111022161 - 2¹³ = 10210111013969 is a prime.

It is not a weakly prime, because it can be changed into another prime (10210111032161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105055511080 + 5105055511081.

It is an arithmetic number, because the mean of its divisors is an integer number (5105055511081).

Almost surely, 2^{10210111022161} is an apocalyptic number.

It is an amenable number.

10210111022161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210111022161 is an equidigital number, since it uses as much as digits as its factorization.

10210111022161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 10210111022161 its reverse (16122011101201), we get a palindrome (26332122123362).

The spelling of 10210111022161 in words is "ten trillion, two hundred ten billion, one hundred eleven million, twenty-two thousand, one hundred sixty-one".