1116322260221 has 12 divisors (see below), whose sum is σ = 1318279186656. Its totient is φ = 925981592760.

The previous prime is 1116322260217. The next prime is 1116322260233. The reversal of 1116322260221 is 1220622236111.

It is not a de Polignac number, because 1116322260221 - 2² = 1116322260217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116322260121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82966535 + ... + 82979988.

It is an arithmetic number, because the mean of its divisors is an integer number (109856598888).

Almost surely, 2^{1116322260221} is an apocalyptic number.

It is an amenable number.

1116322260221 is a deficient number, since it is larger than the sum of its proper divisors (201956926435).

1116322260221 is an equidigital number, since it uses as much as digits as its factorization.

1116322260221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165946592 (or 165946561 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 1116322260221 its reverse (1220622236111), we get a palindrome (2336944496332).

The spelling of 1116322260221 in words is "one trillion, one hundred sixteen billion, three hundred twenty-two million, two hundred sixty thousand, two hundred twenty-one".