1122120001111 has 2 divisors, whose sum is σ = 1122120001112. Its totient is φ = 1122120001110.

The previous prime is 1122120001103. The next prime is 1122120001139. The reversal of 1122120001111 is 1111000212211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122120001111 - 2³ = 1122120001103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122120001091 and 1122120001100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122120001141) 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, 561060000555 + 561060000556.

It is an arithmetic number, because the mean of its divisors is an integer number (561060000556).

Almost surely, 2^{1122120001111} is an apocalyptic number.

1122120001111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122120001111 is an equidigital number, since it uses as much as digits as its factorization.

1122120001111 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 1122120001111 its reverse (1111000212211), we get a palindrome (2233120213322).

The spelling of 1122120001111 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, one thousand, one hundred eleven".