111001220011 has 8 divisors (see below), whose sum is σ = 121110865200. Its totient is φ = 100894679040.

The previous prime is 111001219997. The next prime is 111001220021. The reversal of 111001220011 is 110022100111.

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 111001220011 - 2¹⁵ = 111001187243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111001220011.

It is not an unprimeable number, because it can be changed into a prime (111001220021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700966 + ... + 844603.

It is an arithmetic number, because the mean of its divisors is an integer number (15138858150).

Almost surely, 2^111001220011 is an apocalyptic number.

111001220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111001220011 is a deficient number, since it is larger than the sum of its proper divisors (10109645189).

111001220011 is a wasteful number, since it uses less digits than its factorization.

111001220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552109.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111001220011 its reverse (110022100111), we get a palindrome (221023320122).

The spelling of 111001220011 in words is "one hundred eleven billion, one million, two hundred twenty thousand, eleven".