1121113340 has 24 divisors (see below), whose sum is σ = 2357688480. Its totient is φ = 447807168.

The previous prime is 1121113313. The next prime is 1121113351. The reversal of 1121113340 is 433111211.

It is a super-2 number, since 2×1121113340² = 2513790242251911200, which contains 22 as substring.

It is a congruent number.

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, 25352 + ... + 53711.

It is an arithmetic number, because the mean of its divisors is an integer number (98237020).

Almost surely, 2^1121113340 is an apocalyptic number.

1121113340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121113340 is an abundant number, since it is smaller than the sum of its proper divisors (1236575140).

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

1121113340 is a wasteful number, since it uses less digits than its factorization.

1121113340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79781 (or 79779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1121113340 is about 33483.0306274686. The cubic root of 1121113340 is about 1038.8428142330.

Adding to 1121113340 its reverse (433111211), we get a palindrome (1554224551).

The spelling of 1121113340 in words is "one billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred forty".