1091100114 has 24 divisors (see below), whose sum is σ = 2545900812. Its totient is φ = 335723040.

The previous prime is 1091099987. The next prime is 1091100119. The reversal of 1091100114 is 4110011901.

It can be written as a sum of positive squares in 2 ways, for example, as 810370089 + 280730025 = 28467^2 + 16755^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1091100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2331177 + ... + 2331644.

Almost surely, 2^1091100114 is an apocalyptic number.

1091100114 is an abundant number, since it is smaller than the sum of its proper divisors (1454800698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091100114 is a wasteful number, since it uses less digits than its factorization.

1091100114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662842 (or 4662839 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1091100114 is about 33031.8045828562. The cubic root of 1091100114 is about 1029.4885807476.

The spelling of 1091100114 in words is "one billion, ninety-one million, one hundred thousand, one hundred fourteen".