1111100999999 has 2 divisors, whose sum is σ = 1111101000000. Its totient is φ = 1111100999998.

The previous prime is 1111100999969. The next prime is 1111101000029. The reversal of 1111100999999 is 9999990011111.

It is a balanced prime because it is at equal distance from previous prime (1111100999969) and next prime (1111101000029).

It is a cyclic number.

It is not a de Polignac number, because 1111100999999 - 2¹² = 1111100995903 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111100999969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550499999 + 555550500000.

It is an arithmetic number, because the mean of its divisors is an integer number (555550500000).

Almost surely, 2^{1111100999999} is an apocalyptic number.

1111100999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111100999999 is an equidigital number, since it uses as much as digits as its factorization.

1111100999999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 531441, while the sum is 59.

The spelling of 1111100999999 in words is "one trillion, one hundred eleven billion, one hundred million, nine hundred ninety-nine thousand, nine hundred ninety-nine".