1122002011111 has 2 divisors, whose sum is σ = 1122002011112. Its totient is φ = 1122002011110.

The previous prime is 1122002011093. The next prime is 1122002011121. The reversal of 1122002011111 is 1111102002211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122002011111 - 2¹⁵ = 1122001978343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122002011091 and 1122002011100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122002011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561001005555 + 561001005556.

It is an arithmetic number, because the mean of its divisors is an integer number (561001005556).

Almost surely, 2^{1122002011111} is an apocalyptic number.

1122002011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122002011111 is an equidigital number, since it uses as much as digits as its factorization.

1122002011111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122002011111 its reverse (1111102002211), we get a palindrome (2233104013322).

The spelling of 1122002011111 in words is "one trillion, one hundred twenty-two billion, two million, eleven thousand, one hundred eleven".