110020120022161 has 2 divisors, whose sum is σ = 110020120022162. Its totient is φ = 110020120022160.

The previous prime is 110020120022081. The next prime is 110020120022167. The reversal of 110020120022161 is 161220021020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101655414869761 + 8364705152400 = 10082431^2 + 2892180^2 .

It is an emirp because it is prime and its reverse (161220021020011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110020120022161 - 2⁹ = 110020120021649 is a prime.

It is a super-2 number, since 2×110020120022161² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110020120022167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010060011080 + 55010060011081.

It is an arithmetic number, because the mean of its divisors is an integer number (55010060011081).

Almost surely, 2^{110020120022161} is an apocalyptic number.

It is an amenable number.

110020120022161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020120022161 is an equidigital number, since it uses as much as digits as its factorization.

110020120022161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 110020120022161 its reverse (161220021020011), we get a palindrome (271240141042172).

The spelling of 110020120022161 in words is "one hundred ten trillion, twenty billion, one hundred twenty million, twenty-two thousand, one hundred sixty-one".