11121001011099 has 40 divisors (see below), whose sum is σ = 19307916798720. Its totient is φ = 6247148248944.

The previous prime is 11121001011067. The next prime is 11121001011119. The reversal of 11121001011099 is 99011010012111.

It is not a de Polignac number, because 11121001011099 - 2⁵ = 11121001011067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11121001011299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 166184839 + ... + 166251744.

It is an arithmetic number, because the mean of its divisors is an integer number (482697919968).

Almost surely, 2^{11121001011099} is an apocalyptic number.

11121001011099 is a deficient number, since it is larger than the sum of its proper divisors (8186915787621).

11121001011099 is an equidigital number, since it uses as much as digits as its factorization.

11121001011099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332436661 (or 332436652 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 11121001011099 in words is "eleven trillion, one hundred twenty-one billion, one million, eleven thousand, ninety-nine".