11121121330 has 16 divisors (see below), whose sum is σ = 21837838464. Its totient is φ = 4044044080.

The previous prime is 11121121309. The next prime is 11121121331. The reversal of 11121121330 is 3312112111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11121121331) 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, 50550442 + ... + 50550661.

It is an arithmetic number, because the mean of its divisors is an integer number (1364864904).

Almost surely, 2^11121121330 is an apocalyptic number.

11121121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121121330 is a deficient number, since it is larger than the sum of its proper divisors (10716717134).

11121121330 is a wasteful number, since it uses less digits than its factorization.

11121121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101101121.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11121121330 its reverse (3312112111), we get a palindrome (14433233441).

The spelling of 11121121330 in words is "eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty".