2231003232120 has 256 divisors, whose sum is σ = 7259071478400. Its totient is φ = 545276436480.

The previous prime is 2231003232119. The next prime is 2231003232163. The reversal of 2231003232120 is 212323001322.

It is a happy number.

It is a super-3 number, since 3×2231003232120³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221566446 + ... + 221576514.

Almost surely, 2^{2231003232120} is an apocalyptic number.

2231003232120 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 2231003232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3629535739200).

2231003232120 is an abundant number, since it is smaller than the sum of its proper divisors (5028068246280).

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

2231003232120 is a wasteful number, since it uses less digits than its factorization.

2231003232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090 (or 11086 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2231003232120 its reverse (212323001322), we get a palindrome (2443326233442).

The spelling of 2231003232120 in words is "two trillion, two hundred thirty-one billion, three million, two hundred thirty-two thousand, one hundred twenty".