11211111001099 has 8 divisors (see below), whose sum is σ = 11234118996720. Its totient is φ = 11188108713600.

The previous prime is 11211111001049. The next prime is 11211111001177. The reversal of 11211111001099 is 99010011111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211111001099 - 2¹⁷ = 11211110870027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211111001049) 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 in 7 ways as a sum of consecutive naturals, for example, 2516292 + ... + 5362270.

It is an arithmetic number, because the mean of its divisors is an integer number (1404264874590).

Almost surely, 2^{11211111001099} is an apocalyptic number.

11211111001099 is a deficient number, since it is larger than the sum of its proper divisors (23007995621).

11211111001099 is an equidigital number, since it uses as much as digits as its factorization.

11211111001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854061.

The product of its (nonzero) digits is 162, while the sum is 28.

The spelling of 11211111001099 in words is "eleven trillion, two hundred eleven billion, one hundred eleven million, one thousand, ninety-nine".