11121202201 has 2 divisors, whose sum is σ = 11121202202. Its totient is φ = 11121202200.

The previous prime is 11121202133. The next prime is 11121202207. The reversal of 11121202201 is 10220212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11017651225 + 103550976 = 104965^2 + 10176^2 .

It is an emirp because it is prime and its reverse (10220212111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11121202201 - 2²⁷ = 10986984473 is a prime.

It is a super-2 number, since 2×11121202201² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560601100 + 5560601101.

It is an arithmetic number, because the mean of its divisors is an integer number (5560601101).

Almost surely, 2^11121202201 is an apocalyptic number.

It is an amenable number.

11121202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121202201 is an equidigital number, since it uses as much as digits as its factorization.

11121202201 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 13.

Adding to 11121202201 its reverse (10220212111), we get a palindrome (21341414312).

The spelling of 11121202201 in words is "eleven billion, one hundred twenty-one million, two hundred two thousand, two hundred one".