121201102001263 has 2 divisors, whose sum is σ = 121201102001264. Its totient is φ = 121201102001262.

The previous prime is 121201102001209. The next prime is 121201102001281. The reversal of 121201102001263 is 362100201102121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121201102001263 - 2¹³ = 121201101993071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201102011263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600551000631 + 60600551000632.

It is an arithmetic number, because the mean of its divisors is an integer number (60600551000632).

Almost surely, 2^{121201102001263} is an apocalyptic number.

121201102001263 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201102001263 is an equidigital number, since it uses as much as digits as its factorization.

121201102001263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121201102001263 its reverse (362100201102121), we get a palindrome (483301303103384).

The spelling of 121201102001263 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one thousand, two hundred sixty-three".