11201212011229 has 2 divisors, whose sum is σ = 11201212011230. Its totient is φ = 11201212011228.

The previous prime is 11201212011203. The next prime is 11201212011233. The reversal of 11201212011229 is 92211021210211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9048051968004 + 2153160043225 = 3007998^2 + 1467365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201212011229 - 2¹⁵ = 11201211978461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201212015229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600606005614 + 5600606005615.

It is an arithmetic number, because the mean of its divisors is an integer number (5600606005615).

Almost surely, 2^{11201212011229} is an apocalyptic number.

It is an amenable number.

11201212011229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201212011229 is an equidigital number, since it uses as much as digits as its factorization.

11201212011229 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 25.

The spelling of 11201212011229 in words is "eleven trillion, two hundred one billion, two hundred twelve million, eleven thousand, two hundred twenty-nine".