111001120011 has 16 divisors (see below), whose sum is σ = 164750092320. Its totient is φ = 73863951840.

The previous prime is 111001120007. The next prime is 111001120063. The reversal of 111001120011 is 110021100111.

It is not a de Polignac number, because 111001120011 - 2² = 111001120007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111001119975 and 111001120002.

It is not an unprimeable number, because it can be changed into a prime (111001120411) 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 15 ways as a sum of consecutive naturals, for example, 3784980 + ... + 3814193.

It is an arithmetic number, because the mean of its divisors is an integer number (10296880770).

Almost surely, 2^111001120011 is an apocalyptic number.

111001120011 is a deficient number, since it is larger than the sum of its proper divisors (53748972309).

111001120011 is an equidigital number, since it uses as much as digits as its factorization.

111001120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599723 (or 7599717 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111001120011 its reverse (110021100111), we get a palindrome (221022220122).

The spelling of 111001120011 in words is "one hundred eleven billion, one million, one hundred twenty thousand, eleven".