1113033113220 has 384 divisors, whose sum is σ = 3718760693760. Its totient is φ = 243361843200.

The previous prime is 1113033113201. The next prime is 1113033113267. The reversal of 1113033113220 is 223113303111.

It is a happy number.

It is a super-2 number, since 2×1113033113220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1116381762 + ... + 1116382758.

It is an arithmetic number, because the mean of its divisors is an integer number (9684272640).

Almost surely, 2^{1113033113220} is an apocalyptic number.

1113033113220 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 1113033113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859380346880).

1113033113220 is an abundant number, since it is smaller than the sum of its proper divisors (2605727580540).

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

1113033113220 is a wasteful number, since it uses less digits than its factorization.

1113033113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1113033113220 its reverse (223113303111), we get a palindrome (1336146416331).

The spelling of 1113033113220 in words is "one trillion, one hundred thirteen billion, thirty-three million, one hundred thirteen thousand, two hundred twenty".