11102200221121 has 2 divisors, whose sum is σ = 11102200221122. Its totient is φ = 11102200221120.

The previous prime is 11102200221071. The next prime is 11102200221139. The reversal of 11102200221121 is 12112200220111.

11102200221121 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., 10568480846400 + 533719374721 = 3250920^2 + 730561^2 .

It is an emirp because it is prime and its reverse (12112200220111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11102200221121 - 2⁹ = 11102200220609 is a prime.

It is a super-3 number, since 3×11102200221121³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11102200221095 and 11102200221104.

It is not a weakly prime, because it can be changed into another prime (11102200221181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551100110560 + 5551100110561.

It is an arithmetic number, because the mean of its divisors is an integer number (5551100110561).

Almost surely, 2^{11102200221121} is an apocalyptic number.

It is an amenable number.

11102200221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102200221121 is an equidigital number, since it uses as much as digits as its factorization.

11102200221121 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 11102200221121 its reverse (12112200220111), we get a palindrome (23214400441232).

The spelling of 11102200221121 in words is "eleven trillion, one hundred two billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-one".