1111101011011 has 4 divisors (see below), whose sum is σ = 1115869685112. Its totient is φ = 1106332336912.

The previous prime is 1111101010951. The next prime is 1111101011023. The reversal of 1111101011011 is 1101101011111.

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 1111101011011 - 2²⁹ = 1110564140099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111101011311) 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 3 ways as a sum of consecutive naturals, for example, 2384336701 + ... + 2384337166.

It is an arithmetic number, because the mean of its divisors is an integer number (278967421278).

Almost surely, 2^{1111101011011} is an apocalyptic number.

1111101011011 is a deficient number, since it is larger than the sum of its proper divisors (4768674101).

1111101011011 is an equidigital number, since it uses as much as digits as its factorization.

1111101011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768674100.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 1111101011011 its reverse (1101101011111), we get a palindrome (2212202022122).

The spelling of 1111101011011 in words is "one trillion, one hundred eleven billion, one hundred one million, eleven thousand, eleven".