1101121211 has 2 divisors, whose sum is σ = 1101121212. Its totient is φ = 1101121210.

The previous prime is 1101121183. The next prime is 1101121223. The reversal of 1101121211 is 1121211011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101121211 - 2¹⁰ = 1101120187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101121192 and 1101121201.

It is not a weakly prime, because it can be changed into another prime (1101141211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560605 + 550560606.

It is an arithmetic number, because the mean of its divisors is an integer number (550560606).

Almost surely, 2^1101121211 is an apocalyptic number.

1101121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101121211 is an equidigital number, since it uses as much as digits as its factorization.

1101121211 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 11.

The square root of 1101121211 is about 33183.1464903496. The cubic root of 1101121211 is about 1032.6307247905.

Adding to 1101121211 its reverse (1121211011), we get a palindrome (2222332222).

The spelling of 1101121211 in words is "one billion, one hundred one million, one hundred twenty-one thousand, two hundred eleven".