1011011100111 has 24 divisors (see below), whose sum is σ = 1546352233920. Its totient is φ = 634318895616.

The previous prime is 1011011100101. The next prime is 1011011100139. The reversal of 1011011100111 is 1110011101101.

It is not a de Polignac number, because 1011011100111 - 2⁹ = 1011011099599 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 = 1011011100093 and 1011011100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011011100101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2253610 + ... + 2664728.

It is an arithmetic number, because the mean of its divisors is an integer number (64431343080).

Almost surely, 2^{1011011100111} is an apocalyptic number.

1011011100111 is a deficient number, since it is larger than the sum of its proper divisors (535341133809).

1011011100111 is a wasteful number, since it uses less digits than its factorization.

1011011100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427215 (or 427212 counting only the distinct ones).

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

Adding to 1011011100111 its reverse (1110011101101), we get a palindrome (2121022201212).

The spelling of 1011011100111 in words is "one trillion, eleven billion, eleven million, one hundred thousand, one hundred eleven".