1000001101111 has 8 divisors (see below), whose sum is σ = 1058847872544. Its totient is φ = 941156904960.

The previous prime is 1000001101097. The next prime is 1000001101117. The reversal of 1000001101111 is 1111011000001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000001101111 - 2⁵ = 1000001101079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000001101094 and 1000001101103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001101117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186231 + ... + 1426423.

It is an arithmetic number, because the mean of its divisors is an integer number (132355984068).

Almost surely, 2^{1000001101111} is an apocalyptic number.

1000001101111 is a deficient number, since it is larger than the sum of its proper divisors (58846771433).

1000001101111 is a wasteful number, since it uses less digits than its factorization.

1000001101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287641.

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

Adding to 1000001101111 its reverse (1111011000001), we get a palindrome (2111012101112).

The spelling of 1000001101111 in words is "one trillion, one million, one hundred one thousand, one hundred eleven".