11120101221121 has 2 divisors, whose sum is σ = 11120101221122. Its totient is φ = 11120101221120.

The previous prime is 11120101221113. The next prime is 11120101221143. The reversal of 11120101221121 is 12112210102111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10950903916225 + 169197304896 = 3309215^2 + 411336^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120101221121 - 2³ = 11120101221113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120101221095 and 11120101221104.

It is not a weakly prime, because it can be changed into another prime (11120101221421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560050610560 + 5560050610561.

It is an arithmetic number, because the mean of its divisors is an integer number (5560050610561).

Almost surely, 2^{11120101221121} is an apocalyptic number.

It is an amenable number.

11120101221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120101221121 is an equidigital number, since it uses as much as digits as its factorization.

11120101221121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11120101221121 its reverse (12112210102111), we get a palindrome (23232311323232).

The spelling of 11120101221121 in words is "eleven trillion, one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-one".