11102120001121 has 2 divisors, whose sum is σ = 11102120001122. Its totient is φ = 11102120001120.

The previous prime is 11102120001001. The next prime is 11102120001139. The reversal of 11102120001121 is 12110002120111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9774151860496 + 1327968140625 = 3126364^2 + 1152375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102120001121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11102120001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551060000560 + 5551060000561.

It is an arithmetic number, because the mean of its divisors is an integer number (5551060000561).

Almost surely, 2^{11102120001121} is an apocalyptic number.

It is an amenable number.

11102120001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102120001121 is an equidigital number, since it uses as much as digits as its factorization.

11102120001121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11102120001121 its reverse (12110002120111), we get a palindrome (23212122121232).

The spelling of 11102120001121 in words is "eleven trillion, one hundred two billion, one hundred twenty million, one thousand, one hundred twenty-one".