1202122080121 has 2 divisors, whose sum is σ = 1202122080122. Its totient is φ = 1202122080120.

The previous prime is 1202122080119. The next prime is 1202122080179. The reversal of 1202122080121 is 1210802212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201678556521 + 443523600 = 1096211^2 + 21060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202122080121 - 2¹ = 1202122080119 is a prime.

Together with 1202122080119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202122080092 and 1202122080101.

It is not a weakly prime, because it can be changed into another prime (1202122180121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601061040060 + 601061040061.

It is an arithmetic number, because the mean of its divisors is an integer number (601061040061).

Almost surely, 2^{1202122080121} is an apocalyptic number.

It is an amenable number.

1202122080121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202122080121 is an equidigital number, since it uses as much as digits as its factorization.

1202122080121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1202122080121 its reverse (1210802212021), we get a palindrome (2412924292142).

The spelling of 1202122080121 in words is "one trillion, two hundred two billion, one hundred twenty-two million, eighty thousand, one hundred twenty-one".