1121108101 has 2 divisors, whose sum is σ = 1121108102. Its totient is φ = 1121108100.

The previous prime is 1121108089. The next prime is 1121108123. The reversal of 1121108101 is 1018011211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005524100 + 115584001 = 31710^2 + 10751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121108101 - 2⁵ = 1121108069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121108161) 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, 560554050 + 560554051.

It is an arithmetic number, because the mean of its divisors is an integer number (560554051).

Almost surely, 2^1121108101 is an apocalyptic number.

It is an amenable number.

1121108101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121108101 is an equidigital number, since it uses as much as digits as its factorization.

1121108101 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1121108101 is about 33482.9523937182. The cubic root of 1121108101 is about 1038.8411960482.

Adding to 1121108101 its reverse (1018011211), we get a palindrome (2139119312).

The spelling of 1121108101 in words is "one billion, one hundred twenty-one million, one hundred eight thousand, one hundred one".