1101223210320 has 120 divisors (see below), whose sum is σ = 3720420377856. Its totient is φ = 291901050624.

The previous prime is 1101223210309. The next prime is 1101223210333. The reversal of 1101223210320 is 230123221011.

1101223210320 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 22 + 321 + 0 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1101223210293 and 1101223210302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459032 + ... + 4699511.

Almost surely, 2^{1101223210320} is an apocalyptic number.

1101223210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101223210320 is an abundant number, since it is smaller than the sum of its proper divisors (2619197167536).

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

1101223210320 is a wasteful number, since it uses less digits than its factorization.

1101223210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158729 (or 9158720 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1101223210320 its reverse (230123221011), we get a palindrome (1331346431331).

The spelling of 1101223210320 in words is "one trillion, one hundred one billion, two hundred twenty-three million, two hundred ten thousand, three hundred twenty".