1120101121 has 2 divisors, whose sum is σ = 1120101122. Its totient is φ = 1120101120.

The previous prime is 1120101107. The next prime is 1120101139. The reversal of 1120101121 is 1211010211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866654721 + 253446400 = 29439^2 + 15920^2 .

It is an emirp because it is prime and its reverse (1211010211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120101121 - 2⁵ = 1120101089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120101098 and 1120101107.

It is not a weakly prime, because it can be changed into another prime (1120101161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560050560 + 560050561.

It is an arithmetic number, because the mean of its divisors is an integer number (560050561).

Almost surely, 2^1120101121 is an apocalyptic number.

It is an amenable number.

1120101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120101121 is an equidigital number, since it uses as much as digits as its factorization.

1120101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1120101121 is about 33467.9118111662. The cubic root of 1120101121 is about 1038.5300736080.

Adding to 1120101121 its reverse (1211010211), we get a palindrome (2331111332).

The spelling of 1120101121 in words is "one billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".