1111442101 has 32 divisors (see below), whose sum is σ = 1435484160. Its totient is φ = 835142400.

The previous prime is 1111442089. The next prime is 1111442117. The reversal of 1111442101 is 1012441111.

It is a cyclic number.

It is not a de Polignac number, because 1111442101 - 2²⁹ = 574571189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111442131) 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, 856285 + ... + 857581.

It is an arithmetic number, because the mean of its divisors is an integer number (44858880).

Almost surely, 2^1111442101 is an apocalyptic number.

1111442101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111442101 is a deficient number, since it is larger than the sum of its proper divisors (324042059).

1111442101 is a wasteful number, since it uses less digits than its factorization.

1111442101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1111442101 is about 33338.2978119759. The cubic root of 1111442101 is about 1035.8470046948.

Adding to 1111442101 its reverse (1012441111), we get a palindrome (2123883212).

The spelling of 1111442101 in words is "one billion, one hundred eleven million, four hundred forty-two thousand, one hundred one".