11202001021121 has 2 divisors, whose sum is σ = 11202001021122. Its totient is φ = 11202001021120.

The previous prime is 11202001021093. The next prime is 11202001021139. The reversal of 11202001021121 is 12112010020211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10858178280625 + 343822740496 = 3295175^2 + 586364^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202001021121 - 2³⁸ = 10927123114177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202001021096 and 11202001021105.

It is not a weakly prime, because it can be changed into another prime (11202001021171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601000510560 + 5601000510561.

It is an arithmetic number, because the mean of its divisors is an integer number (5601000510561).

Almost surely, 2^{11202001021121} is an apocalyptic number.

It is an amenable number.

11202001021121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202001021121 is an equidigital number, since it uses as much as digits as its factorization.

11202001021121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11202001021121 its reverse (12112010020211), we get a palindrome (23314011041332).

The spelling of 11202001021121 in words is "eleven trillion, two hundred two billion, one million, twenty-one thousand, one hundred twenty-one".