2231123233020 has 192 divisors, whose sum is σ = 7174862876160. Its totient is φ = 512331955200.

The previous prime is 2231123232931. The next prime is 2231123233021. The reversal of 2231123233020 is 203323211322.

It is a super-3 number, since 3×2231123233020³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231123233021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131072110 + ... + 131089130.

It is an arithmetic number, because the mean of its divisors is an integer number (37369077480).

Almost surely, 2^{2231123233020} is an apocalyptic number.

2231123233020 is a gapful number since it is divisible by the number (20) 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 2231123233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3587431438080).

2231123233020 is an abundant number, since it is smaller than the sum of its proper divisors (4943739643140).

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

2231123233020 is a wasteful number, since it uses less digits than its factorization.

2231123233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27516 (or 27514 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2231123233020 its reverse (203323211322), we get a palindrome (2434446444342).

The spelling of 2231123233020 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-three thousand, twenty".