121201222120163 has 2 divisors, whose sum is σ = 121201222120164. Its totient is φ = 121201222120162.

The previous prime is 121201222120087. The next prime is 121201222120229. The reversal of 121201222120163 is 361021222102121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121201222120163 - 2²⁴ = 121201205342947 is a prime.

It is a super-2 number, since 2×121201222120163² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121201222126163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600611060081 + 60600611060082.

It is an arithmetic number, because the mean of its divisors is an integer number (60600611060082).

Almost surely, 2^{121201222120163} is an apocalyptic number.

121201222120163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201222120163 is an equidigital number, since it uses as much as digits as its factorization.

121201222120163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 121201222120163 its reverse (361021222102121), we get a palindrome (482222444222284).

The spelling of 121201222120163 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty thousand, one hundred sixty-three".