11000102221081 has 2 divisors, whose sum is σ = 11000102221082. Its totient is φ = 11000102221080.

The previous prime is 11000102221037. The next prime is 11000102221151. The reversal of 11000102221081 is 18012220100011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6267932845056 + 4732169376025 = 2503584^2 + 2175355^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000102221081 - 2⁷ = 11000102220953 is a prime.

It is a super-2 number, since 2×11000102221081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11000102221001) 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, 5500051110540 + 5500051110541.

It is an arithmetic number, because the mean of its divisors is an integer number (5500051110541).

Almost surely, 2^{11000102221081} is an apocalyptic number.

It is an amenable number.

11000102221081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000102221081 is an equidigital number, since it uses as much as digits as its factorization.

11000102221081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11000102221081 its reverse (18012220100011), we get a palindrome (29012322321092).

The spelling of 11000102221081 in words is "eleven trillion, one hundred two million, two hundred twenty-one thousand, eighty-one".