1001111092 has 12 divisors (see below), whose sum is σ = 1789220160. Its totient is φ = 489905336.

The previous prime is 1001111081. The next prime is 1001111093. The reversal of 1001111092 is 2901111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001111093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662342 + ... + 2662717.

It is an arithmetic number, because the mean of its divisors is an integer number (149101680).

Almost surely, 2^1001111092 is an apocalyptic number.

It is an amenable number.

1001111092 is a deficient number, since it is larger than the sum of its proper divisors (788109068).

1001111092 is a wasteful number, since it uses less digits than its factorization.

1001111092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325110 (or 5325108 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 1001111092 is about 31640.3396315526. The cubic root of 1001111092 is about 1000.3702269151.

Adding to 1001111092 its reverse (2901111001), we get a palindrome (3902222093).

The spelling of 1001111092 in words is "one billion, one million, one hundred eleven thousand, ninety-two".