1100110111101 has 12 divisors (see below), whose sum is σ = 1589062131228. Its totient is φ = 733400190144.

The previous prime is 1100110111073. The next prime is 1100110111103. The reversal of 1100110111101 is 1011110110011.

It can be written as a sum of positive squares in 2 ways, for example, as 112523348025 + 987586763076 = 335445^2 + 993774^2 .

It is not a de Polignac number, because 1100110111101 - 2¹¹ = 1100110109053 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100110111103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657321 + ... + 1622433.

It is an arithmetic number, because the mean of its divisors is an integer number (132421844269).

Almost surely, 2^{1100110111101} is an apocalyptic number.

It is an amenable number.

1100110111101 is a deficient number, since it is larger than the sum of its proper divisors (488952020127).

1100110111101 is a wasteful number, since it uses less digits than its factorization.

1100110111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091772 (or 1091769 counting only the distinct ones).

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

Adding to 1100110111101 its reverse (1011110110011), we get a palindrome (2111220221112).

The spelling of 1100110111101 in words is "one trillion, one hundred billion, one hundred ten million, one hundred eleven thousand, one hundred one".