1011101100111 has 28 divisors (see below), whose sum is σ = 1516214426688. Its totient is φ = 673953454944.

The previous prime is 1011101100101. The next prime is 1011101100161. The reversal of 1011101100111 is 1110011011101.

It is not a de Polignac number, because 1011101100111 - 2¹⁵ = 1011101067343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011101100093 and 1011101100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011101100101) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4313026 + ... + 4541408.

Almost surely, 2^{1011101100111} is an apocalyptic number.

1011101100111 is a deficient number, since it is larger than the sum of its proper divisors (505113326577).

1011101100111 is an frugal number, since it uses more digits than its factorization.

1011101100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234474 (or 234459 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 1011101100111 its reverse (1110011011101), we get a palindrome (2121112111212).

The spelling of 1011101100111 in words is "one trillion, eleven billion, one hundred one million, one hundred thousand, one hundred eleven".