1091110002 has 16 divisors (see below), whose sum is σ = 2182559232. Its totient is φ = 363646800.

The previous prime is 1091109991. The next prime is 1091110019. The reversal of 1091110002 is 2000111901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50223 + ... + 68589.

It is an arithmetic number, because the mean of its divisors is an integer number (136409952).

Almost surely, 2^1091110002 is an apocalyptic number.

1091110002 is an abundant number, since it is smaller than the sum of its proper divisors (1091449230).

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

1091110002 is a wasteful number, since it uses less digits than its factorization.

1091110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28273.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1091110002 is about 33031.9542564469. The cubic root of 1091110002 is about 1029.4916906218.

Adding to 1091110002 its reverse (2000111901), we get a palindrome (3091221903).

It can be divided in two parts, 109 and 1110002, that added together give a palindrome (1110111).

The spelling of 1091110002 in words is "one billion, ninety-one million, one hundred ten thousand, two".