11123031121130 has 16 divisors (see below), whose sum is σ = 20021494000680. Its totient is φ = 4449204007872.

The previous prime is 11123031121123. The next prime is 11123031121133. The reversal of 11123031121130 is 3112113032111.

It can be written as a sum of positive squares in 4 ways, for example, as 10857875126641 + 265155994489 = 3295129^2 + 514933^2 .

It is not an unprimeable number, because it can be changed into a prime (11123031121133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9712436 + ... + 10797104.

Almost surely, 2^{11123031121130} is an apocalyptic number.

11123031121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123031121130 is a deficient number, since it is larger than the sum of its proper divisors (8898462879550).

11123031121130 is a wasteful number, since it uses less digits than its factorization.

11123031121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110153.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11123031121130 its reverse (3112113032111), we get a palindrome (14235144153241).

The spelling of 11123031121130 in words is "eleven trillion, one hundred twenty-three billion, thirty-one million, one hundred twenty-one thousand, one hundred thirty".