11102012110121 has 2 divisors, whose sum is σ = 11102012110122. Its totient is φ = 11102012110120.

The previous prime is 11102012110103. The next prime is 11102012110127. The reversal of 11102012110121 is 12101121020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6442134354496 + 4659877755625 = 2538136^2 + 2158675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102012110121 is a prime.

It is a super-4 number, since 4×11102012110121⁴ (a number of 53 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11102012110096 and 11102012110105.

It is not a weakly prime, because it can be changed into another prime (11102012110127) 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, 5551006055060 + 5551006055061.

It is an arithmetic number, because the mean of its divisors is an integer number (5551006055061).

Almost surely, 2^{11102012110121} is an apocalyptic number.

It is an amenable number.

11102012110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102012110121 is an equidigital number, since it uses as much as digits as its factorization.

11102012110121 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 14.

Adding to 11102012110121 its reverse (12101121020111), we get a palindrome (23203133130232).

The spelling of 11102012110121 in words is "eleven trillion, one hundred two billion, twelve million, one hundred ten thousand, one hundred twenty-one".