1000011101111 has 32 divisors (see below), whose sum is σ = 1124978918976. Its totient is φ = 881280000000.

The previous prime is 1000011101083. The next prime is 1000011101153. The reversal of 1000011101111 is 1111011100001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000011101111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011107111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11066111 + ... + 11156111.

It is an arithmetic number, because the mean of its divisors is an integer number (35155591218).

Almost surely, 2^{1000011101111} is an apocalyptic number.

1000011101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1000011101111 is a deficient number, since it is larger than the sum of its proper divisors (124967817865).

1000011101111 is a wasteful number, since it uses less digits than its factorization.

1000011101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90323.

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

Adding to 1000011101111 its reverse (1111011100001), we get a palindrome (2111022201112).

It can be divided in two parts, 10000 and 11101111, that added together give a palindrome (11111111).

The spelling of 1000011101111 in words is "one trillion, eleven million, one hundred one thousand, one hundred eleven".