11120200021261 has 2 divisors, whose sum is σ = 11120200021262. Its totient is φ = 11120200021260.

The previous prime is 11120200021207. The next prime is 11120200021279. The reversal of 11120200021261 is 16212000202111.

11120200021261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6512673376036 + 4607526645225 = 2551994^2 + 2146515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120200021261 is a prime.

It is a super-3 number, since 3×11120200021261³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120200021961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560100010630 + 5560100010631.

It is an arithmetic number, because the mean of its divisors is an integer number (5560100010631).

Almost surely, 2^{11120200021261} is an apocalyptic number.

It is an amenable number.

11120200021261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120200021261 is an equidigital number, since it uses as much as digits as its factorization.

11120200021261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11120200021261 its reverse (16212000202111), we get a palindrome (27332200223372).

The spelling of 11120200021261 in words is "eleven trillion, one hundred twenty billion, two hundred million, twenty-one thousand, two hundred sixty-one".