1101041111 has 4 divisors (see below), whose sum is σ = 1101803472. Its totient is φ = 1100278752.

The previous prime is 1101041107. The next prime is 1101041141. The reversal of 1101041111 is 1111401011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1111401011 = 7 ⋅158771573.

It is a cyclic number.

It is not a de Polignac number, because 1101041111 - 2² = 1101041107 is a prime.

It is a super-2 number, since 2×1101041111² = 2424583056224228642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101041092 and 1101041101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101041141) 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, 379010 + ... + 381903.

It is an arithmetic number, because the mean of its divisors is an integer number (275450868).

Almost surely, 2^1101041111 is an apocalyptic number.

1101041111 is a deficient number, since it is larger than the sum of its proper divisors (762361).

1101041111 is an equidigital number, since it uses as much as digits as its factorization.

1101041111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762360.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1101041111 is about 33181.9395304132. The cubic root of 1101041111 is about 1032.6056849414.

Adding to 1101041111 its reverse (1111401011), we get a palindrome (2212442122).

The spelling of 1101041111 in words is "one billion, one hundred one million, forty-one thousand, one hundred eleven".