2111092394 has 16 divisors (see below), whose sum is σ = 3334646880. Its totient is φ = 999588240.

The previous prime is 2111092391. The next prime is 2111092469. The reversal of 2111092394 is 4932901112.

It is a super-2 number, since 2×2111092394² = 8913422192009302472, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111092394.

It is not an unprimeable number, because it can be changed into a prime (2111092391) 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 7 ways as a sum of consecutive naturals, for example, 98264 + ... + 117804.

It is an arithmetic number, because the mean of its divisors is an integer number (208415430).

Almost surely, 2^2111092394 is an apocalyptic number.

2111092394 is a deficient number, since it is larger than the sum of its proper divisors (1223554486).

2111092394 is a wasteful number, since it uses less digits than its factorization.

2111092394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22405.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2111092394 is about 45946.6254908889. The cubic root of 2111092394 is about 1282.8299192132.

The spelling of 2111092394 in words is "two billion, one hundred eleven million, ninety-two thousand, three hundred ninety-four".