1101222011320 has 64 divisors (see below), whose sum is σ = 2535147331200. Its totient is φ = 430319416320.

The previous prime is 1101222011251. The next prime is 1101222011333. The reversal of 1101222011320 is 231102221011.

It is a junction number, because it is equal to n+sod(n) for n = 1101222011294 and 1101222011303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475716 + ... + 1558444.

It is an arithmetic number, because the mean of its divisors is an integer number (39611677050).

Almost surely, 2^{1101222011320} is an apocalyptic number.

1101222011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101222011320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267573665600).

1101222011320 is an abundant number, since it is smaller than the sum of its proper divisors (1433925319880).

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

1101222011320 is a wasteful number, since it uses less digits than its factorization.

1101222011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083328 (or 1083324 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1101222011320 its reverse (231102221011), we get a palindrome (1332324232331).

The spelling of 1101222011320 in words is "one trillion, one hundred one billion, two hundred twenty-two million, eleven thousand, three hundred twenty".