2231030221120 has 112 divisors (see below), whose sum is σ = 5401313543808. Its totient is φ = 877525493760.

The previous prime is 2231030221097. The next prime is 2231030221129. The reversal of 2231030221120 is 211220301322.

It is a super-3 number, since 3×2231030221120³ (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 (2231030221129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75390967 + ... + 75420553.

It is an arithmetic number, because the mean of its divisors is an integer number (48226013784).

Almost surely, 2^{2231030221120} is an apocalyptic number.

2231030221120 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 2231030221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700656771904).

2231030221120 is an abundant number, since it is smaller than the sum of its proper divisors (3170283322688).

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

2231030221120 is a wasteful number, since it uses less digits than its factorization.

2231030221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33528 (or 33518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2231030221120 its reverse (211220301322), we get a palindrome (2442250522442).

The spelling of 2231030221120 in words is "two trillion, two hundred thirty-one billion, thirty million, two hundred twenty-one thousand, one hundred twenty".