121102122000121 has 2 divisors, whose sum is σ = 121102122000122. Its totient is φ = 121102122000120.

The previous prime is 121102122000103. The next prime is 121102122000131. The reversal of 121102122000121 is 121000221201121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95631285765625 + 25470836234496 = 9779125^2 + 5046864^2 .

It is a cyclic number.

It is not a de Polignac number, because 121102122000121 - 2¹⁹ = 121102121475833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121102122000095 and 121102122000104.

It is not a weakly prime, because it can be changed into another prime (121102122000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551061000060 + 60551061000061.

It is an arithmetic number, because the mean of its divisors is an integer number (60551061000061).

Almost surely, 2^{121102122000121} is an apocalyptic number.

It is an amenable number.

121102122000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102122000121 is an equidigital number, since it uses as much as digits as its factorization.

121102122000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102122000121 its reverse (121000221201121), we get a palindrome (242102343201242).

The spelling of 121102122000121 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-one", and thus it is an aban number.