11100100101121 has 2 divisors, whose sum is σ = 11100100101122. Its totient is φ = 11100100101120.

The previous prime is 11100100101061. The next prime is 11100100101133. The reversal of 11100100101121 is 12110100100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10081133006400 + 1018967094721 = 3175080^2 + 1009439^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100100101121 - 2⁷ = 11100100100993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100100101098 and 11100100101107.

It is not a weakly prime, because it can be changed into another prime (11100100101161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050050560 + 5550050050561.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050050561).

Almost surely, 2^{11100100101121} is an apocalyptic number.

It is an amenable number.

11100100101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100101121 is an equidigital number, since it uses as much as digits as its factorization.

11100100101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11100100101121 its reverse (12110100100111), we get a palindrome (23210200201232).

The spelling of 11100100101121 in words is "eleven trillion, one hundred billion, one hundred million, one hundred one thousand, one hundred twenty-one".