11000101121 has 2 divisors, whose sum is σ = 11000101122. Its totient is φ = 11000101120.

The previous prime is 11000101117. The next prime is 11000101127. The reversal of 11000101121 is 12110100011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6673092721 + 4327008400 = 81689^2 + 65780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000101121 - 2² = 11000101117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000101099 and 11000101108.

It is not a weakly prime, because it can be changed into another prime (11000101127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500050560 + 5500050561.

It is an arithmetic number, because the mean of its divisors is an integer number (5500050561).

Almost surely, 2^11000101121 is an apocalyptic number.

It is an amenable number.

11000101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000101121 is an equidigital number, since it uses as much as digits as its factorization.

11000101121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11000101121 its reverse (12110100011), we get a palindrome (23110201132).

The spelling of 11000101121 in words is "eleven billion, one hundred one thousand, one hundred twenty-one".