12201011121011 has 2 divisors, whose sum is σ = 12201011121012. Its totient is φ = 12201011121010.

The previous prime is 12201011120989. The next prime is 12201011121023. The reversal of 12201011121011 is 11012111010221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201011121011 - 2¹⁴ = 12201011104627 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201011121811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100505560505 + 6100505560506.

It is an arithmetic number, because the mean of its divisors is an integer number (6100505560506).

Almost surely, 2^{12201011121011} is an apocalyptic number.

12201011121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201011121011 is an equidigital number, since it uses as much as digits as its factorization.

12201011121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12201011121011 its reverse (11012111010221), we get a palindrome (23213122131232).

The spelling of 12201011121011 in words is "twelve trillion, two hundred one billion, eleven million, one hundred twenty-one thousand, eleven".