121202222001401 has 2 divisors, whose sum is σ = 121202222001402. Its totient is φ = 121202222001400.

The previous prime is 121202222001257. The next prime is 121202222001403. The reversal of 121202222001401 is 104100222202121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119714124546025 + 1488097455376 = 10941395^2 + 1219876^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202222001401 - 2¹⁸ = 121202221739257 is a prime.

Together with 121202222001403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121202222001403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601111000700 + 60601111000701.

It is an arithmetic number, because the mean of its divisors is an integer number (60601111000701).

Almost surely, 2^{121202222001401} is an apocalyptic number.

It is an amenable number.

121202222001401 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202222001401 is an equidigital number, since it uses as much as digits as its factorization.

121202222001401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121202222001401 its reverse (104100222202121), we get a palindrome (225302444203522).

The spelling of 121202222001401 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-two million, one thousand, four hundred one".