11223111331020 has 24 divisors (see below), whose sum is σ = 31424711727024. Its totient is φ = 2992829688256.

The previous prime is 11223111330941. The next prime is 11223111331031. The reversal of 11223111331020 is 2013311132211.

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 7 ways as a sum of consecutive naturals, for example, 93525927699 + ... + 93525927818.

It is an arithmetic number, because the mean of its divisors is an integer number (1309362988626).

Almost surely, 2^{11223111331020} is an apocalyptic number.

11223111331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223111331020 is an abundant number, since it is smaller than the sum of its proper divisors (20201600396004).

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

11223111331020 is a wasteful number, since it uses less digits than its factorization.

11223111331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187051855529 (or 187051855527 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11223111331020 its reverse (2013311132211), we get a palindrome (13236422463231).

The spelling of 11223111331020 in words is "eleven trillion, two hundred twenty-three billion, one hundred eleven million, three hundred thirty-one thousand, twenty".