1116221072268 has 24 divisors (see below), whose sum is σ = 2643389207872. Its totient is φ = 366520351824.

The previous prime is 1116221072251. The next prime is 1116221072273. The reversal of 1116221072268 is 8622701226111.

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, 694166530 + ... + 694168137.

Almost surely, 2^{1116221072268} is an apocalyptic number.

It is an amenable number.

1116221072268 is an abundant number, since it is smaller than the sum of its proper divisors (1527168135604).

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

1116221072268 is a wasteful number, since it uses less digits than its factorization.

1116221072268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388334741 (or 1388334739 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

Adding to 1116221072268 its reverse (8622701226111), we get a palindrome (9738922298379).

The spelling of 1116221072268 in words is "one trillion, one hundred sixteen billion, two hundred twenty-one million, seventy-two thousand, two hundred sixty-eight".