1113331322220 has 384 divisors, whose sum is σ = 3664501800960. Its totient is φ = 250102287360.

The previous prime is 1113331322177. The next prime is 1113331322227. The reversal of 1113331322220 is 222231333111.

It is a super-2 number, since 2×1113331322220² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113331322227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102445227 + ... + 102456093.

It is an arithmetic number, because the mean of its divisors is an integer number (9542973440).

Almost surely, 2^{1113331322220} is an apocalyptic number.

1113331322220 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 1113331322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832250900480).

1113331322220 is an abundant number, since it is smaller than the sum of its proper divisors (2551170478740).

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

1113331322220 is a wasteful number, since it uses less digits than its factorization.

1113331322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165 (or 11163 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1113331322220 its reverse (222231333111), we get a palindrome (1335562655331).

The spelling of 1113331322220 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty".