11102012202121 has 2 divisors, whose sum is σ = 11102012202122. Its totient is φ = 11102012202120.

The previous prime is 11102012202103. The next prime is 11102012202143. The reversal of 11102012202121 is 12120221020111.

11102012202121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7676418303225 + 3425593898896 = 2770635^2 + 1850836^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102012202121 - 2⁵ = 11102012202089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102012202095 and 11102012202104.

It is not a weakly prime, because it can be changed into another prime (11102012202221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551006101060 + 5551006101061.

It is an arithmetic number, because the mean of its divisors is an integer number (5551006101061).

Almost surely, 2^{11102012202121} is an apocalyptic number.

It is an amenable number.

11102012202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102012202121 is an equidigital number, since it uses as much as digits as its factorization.

11102012202121 is an evil number, because the sum of its binary digits is even.

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

Adding to 11102012202121 its reverse (12120221020111), we get a palindrome (23222233222232).

The spelling of 11102012202121 in words is "eleven trillion, one hundred two billion, twelve million, two hundred two thousand, one hundred twenty-one".