111010000011001 has 16 divisors (see below), whose sum is σ = 136738862265600. Its totient is φ = 87760621528128.

The previous prime is 111010000010989. The next prime is 111010000011137. The reversal of 111010000011001 is 100110000010111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111010000011001 - 2¹⁹ = 111009999486713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (111010000011301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496181941 + ... + 496405618.

It is an arithmetic number, because the mean of its divisors is an integer number (8546178891600).

Almost surely, 2^{111010000011001} is an apocalyptic number.

It is an amenable number.

111010000011001 is a deficient number, since it is larger than the sum of its proper divisors (25728862254599).

111010000011001 is a wasteful number, since it uses less digits than its factorization.

111010000011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992588808.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111010000011001 its reverse (100110000010111), we get a palindrome (211120000021112).

The spelling of 111010000011001 in words is "one hundred eleven trillion, ten billion, eleven thousand, one".