111000010001011 has 4 divisors (see below), whose sum is σ = 114827596552800. Its totient is φ = 107172423449224.

The previous prime is 111000010000903. The next prime is 111000010001021. The reversal of 111000010001011 is 110100010000111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111000010001011 - 2⁷ = 111000010000883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000010000985 and 111000010001003.

It is not an unprimeable number, because it can be changed into a prime (111000010001021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913793275851 + ... + 1913793275908.

It is an arithmetic number, because the mean of its divisors is an integer number (28706899138200).

Almost surely, 2^{111000010001011} is an apocalyptic number.

111000010001011 is a deficient number, since it is larger than the sum of its proper divisors (3827586551789).

111000010001011 is an equidigital number, since it uses as much as digits as its factorization.

111000010001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827586551788.

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

Adding to 111000010001011 its reverse (110100010000111), we get a palindrome (221100020001122).

The spelling of 111000010001011 in words is "one hundred eleven trillion, ten million, one thousand, eleven".