1111011100001 has 32 divisors (see below), whose sum is σ = 1249848804096. Its totient is φ = 979102080000.

The previous prime is 1111011099983. The next prime is 1111011100153. The reversal of 1111011100001 is 1000011101111.

It is not a de Polignac number, because 1111011100001 - 2⁶ = 1111011099937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111011100301) 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, 11061116 + ... + 11161106.

It is an arithmetic number, because the mean of its divisors is an integer number (39057775128).

Almost surely, 2^{1111011100001} is an apocalyptic number.

1111011100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111011100001 is a deficient number, since it is larger than the sum of its proper divisors (138837704095).

1111011100001 is a wasteful number, since it uses less digits than its factorization.

1111011100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100313.

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

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

It can be divided in two parts, 11110 and 11100001, that added together give a palindrome (11111111).

The spelling of 1111011100001 in words is "one trillion, one hundred eleven billion, eleven million, one hundred thousand, one".