121102022161 has 2 divisors, whose sum is σ = 121102022162. Its totient is φ = 121102022160.

The previous prime is 121102022159. The next prime is 121102022201. The reversal of 121102022161 is 161220201121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95283959761 + 25818062400 = 308681^2 + 160680^2 .

It is a cyclic number.

It is not a de Polignac number, because 121102022161 - 2¹ = 121102022159 is a prime.

Together with 121102022159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121102022861) 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, 60551011080 + 60551011081.

It is an arithmetic number, because the mean of its divisors is an integer number (60551011081).

Almost surely, 2^121102022161 is an apocalyptic number.

It is an amenable number.

121102022161 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102022161 is an equidigital number, since it uses as much as digits as its factorization.

121102022161 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 121102022161 its reverse (161220201121), we get a palindrome (282322223282).

The spelling of 121102022161 in words is "one hundred twenty-one billion, one hundred two million, twenty-two thousand, one hundred sixty-one".