11110002011021 has 2 divisors, whose sum is σ = 11110002011022. Its totient is φ = 11110002011020.

The previous prime is 11110002010997. The next prime is 11110002011041. The reversal of 11110002011021 is 12011020001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5626977015625 + 5483024995396 = 2372125^2 + 2341586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110002011021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110002010993 and 11110002011011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110002011041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555001005510 + 5555001005511.

It is an arithmetic number, because the mean of its divisors is an integer number (5555001005511).

Almost surely, 2^{11110002011021} is an apocalyptic number.

It is an amenable number.

11110002011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110002011021 is an equidigital number, since it uses as much as digits as its factorization.

11110002011021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11110002011021 its reverse (12011020001111), we get a palindrome (23121022012132).

The spelling of 11110002011021 in words is "eleven trillion, one hundred ten billion, two million, eleven thousand, twenty-one".