1100111221499 has 2 divisors, whose sum is σ = 1100111221500. Its totient is φ = 1100111221498.

The previous prime is 1100111221427. The next prime is 1100111221543. The reversal of 1100111221499 is 9941221110011.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9941221110011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100111221499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100111223499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055610749 + 550055610750.

It is an arithmetic number, because the mean of its divisors is an integer number (550055610750).

Almost surely, 2^{1100111221499} is an apocalyptic number.

1100111221499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100111221499 is an equidigital number, since it uses as much as digits as its factorization.

1100111221499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 1100111221499 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred twenty-one thousand, four hundred ninety-nine".