11103121130 has 16 divisors (see below), whose sum is σ = 20210177160. Its totient is φ = 4391346432.

The previous prime is 11103121129. The next prime is 11103121147. The reversal of 11103121130 is 3112130111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5126130409 + 5976990721 = 71597^2 + 77311^2 .

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, 6236819 + ... + 6238598.

Almost surely, 2^11103121130 is an apocalyptic number.

11103121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11103121130 is a deficient number, since it is larger than the sum of its proper divisors (9107056030).

11103121130 is a wasteful number, since it uses less digits than its factorization.

11103121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475513.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11103121130 its reverse (3112130111), we get a palindrome (14215251241).

The spelling of 11103121130 in words is "eleven billion, one hundred three million, one hundred twenty-one thousand, one hundred thirty".