1101000001111 has 4 divisors (see below), whose sum is σ = 1102570615224. Its totient is φ = 1099429387000.

The previous prime is 1101000001051. The next prime is 1101000001169. The reversal of 1101000001111 is 1111000001011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101000001111 - 2²⁷ = 1100865783383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101000001094 and 1101000001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101000001811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785306005 + ... + 785307406.

It is an arithmetic number, because the mean of its divisors is an integer number (275642653806).

Almost surely, 2^{1101000001111} is an apocalyptic number.

1101000001111 is a deficient number, since it is larger than the sum of its proper divisors (1570614113).

1101000001111 is an equidigital number, since it uses as much as digits as its factorization.

1101000001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570614112.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1101000001111 its reverse (1111000001011), we get a palindrome (2212000002122).

The spelling of 1101000001111 in words is "one trillion, one hundred one billion, one thousand, one hundred eleven".