1111000101011 has 4 divisors (see below), whose sum is σ = 1111004389800. Its totient is φ = 1110995812224.

The previous prime is 1111000100981. The next prime is 1111000101017. The reversal of 1111000101011 is 1101010001111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111000101011 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 1111000101011.

It is not an unprimeable number, because it can be changed into a prime (1111000101017) 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, 1729001 + ... + 2282858.

It is an arithmetic number, because the mean of its divisors is an integer number (277751097450).

Almost surely, 2^{1111000101011} is an apocalyptic number.

1111000101011 is a deficient number, since it is larger than the sum of its proper divisors (4288789).

1111000101011 is an equidigital number, since it uses as much as digits as its factorization.

1111000101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288788.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1111000101011 its reverse (1101010001111), we get a palindrome (2212010102122).

The spelling of 1111000101011 in words is "one trillion, one hundred eleven billion, one hundred one thousand, eleven".