11202001081 has 2 divisors, whose sum is σ = 11202001082. Its totient is φ = 11202001080.

The previous prime is 11202001061. The next prime is 11202001087. The reversal of 11202001081 is 18010020211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9238093225 + 1963907856 = 96115^2 + 44316^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202001081 - 2²¹ = 11199903929 is a prime.

It is a super-2 number, since 2×11202001081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11202001087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601000540 + 5601000541.

It is an arithmetic number, because the mean of its divisors is an integer number (5601000541).

Almost surely, 2^11202001081 is an apocalyptic number.

It is an amenable number.

11202001081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202001081 is an equidigital number, since it uses as much as digits as its factorization.

11202001081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202001081 its reverse (18010020211), we get a palindrome (29212021292).

The spelling of 11202001081 in words is "eleven billion, two hundred two million, one thousand, eighty-one".