1121113321 has 8 divisors (see below), whose sum is σ = 1125218304. Its totient is φ = 1117016160.

The previous prime is 1121113313. The next prime is 1121113351. The reversal of 1121113321 is 1233111211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121113321 - 2³ = 1121113313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121113295 and 1121113304.

It is not an unprimeable number, because it can be changed into a prime (1121113351) 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, 467301 + ... + 469693.

It is an arithmetic number, because the mean of its divisors is an integer number (140652288).

Almost surely, 2^1121113321 is an apocalyptic number.

It is an amenable number.

1121113321 is a deficient number, since it is larger than the sum of its proper divisors (4104983).

1121113321 is a wasteful number, since it uses less digits than its factorization.

1121113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

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

The square root of 1121113321 is about 33483.0303437428. The cubic root of 1121113321 is about 1038.8428083645.

Adding to 1121113321 its reverse (1233111211), we get a palindrome (2354224532).

The spelling of 1121113321 in words is "one billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty-one".