11121202133 has 2 divisors, whose sum is σ = 11121202134. Its totient is φ = 11121202132.

The previous prime is 11121202111. The next prime is 11121202201. The reversal of 11121202133 is 33120212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9220416529 + 1900785604 = 96023^2 + 43598^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121202133 - 2¹⁶ = 11121136597 is a prime.

It is a super-2 number, since 2×11121202133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121202333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560601066 + 5560601067.

It is an arithmetic number, because the mean of its divisors is an integer number (5560601067).

Almost surely, 2^11121202133 is an apocalyptic number.

It is an amenable number.

11121202133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121202133 is an equidigital number, since it uses as much as digits as its factorization.

11121202133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11121202133 its reverse (33120212111), we get a palindrome (44241414244).

The spelling of 11121202133 in words is "eleven billion, one hundred twenty-one million, two hundred two thousand, one hundred thirty-three".