11121203320 has 16 divisors (see below), whose sum is σ = 25022707560. Its totient is φ = 4448481312.

The previous prime is 11121203299. The next prime is 11121203351. The reversal of 11121203320 is 2330212111.

It is a junction number, because it is equal to n+sod(n) for n = 11121203294 and 11121203303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139015002 + ... + 139015081.

Almost surely, 2^11121203320 is an apocalyptic number.

11121203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121203320 is an abundant number, since it is smaller than the sum of its proper divisors (13901504240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121203320 is a wasteful number, since it uses less digits than its factorization.

11121203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278030094 (or 278030090 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11121203320 its reverse (2330212111), we get a palindrome (13451415431).

The spelling of 11121203320 in words is "eleven billion, one hundred twenty-one million, two hundred three thousand, three hundred twenty".