11121112100213 has 2 divisors, whose sum is σ = 11121112100214. Its totient is φ = 11121112100212.

The previous prime is 11121112100209. The next prime is 11121112100221. The reversal of 11121112100213 is 31200121112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10712640282289 + 408471817924 = 3273017^2 + 639118^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121112100213 - 2² = 11121112100209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121112100191 and 11121112100200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121112106213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560556050106 + 5560556050107.

It is an arithmetic number, because the mean of its divisors is an integer number (5560556050107).

Almost surely, 2^{11121112100213} is an apocalyptic number.

It is an amenable number.

11121112100213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121112100213 is an equidigital number, since it uses as much as digits as its factorization.

11121112100213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11121112100213 its reverse (31200121112111), we get a palindrome (42321233212324).

The spelling of 11121112100213 in words is "eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thousand, two hundred thirteen".