2231213111120 has 160 divisors (see below), whose sum is σ = 5942271456000. Its totient is φ = 763232329728.

The previous prime is 2231213111117. The next prime is 2231213111161. The reversal of 2231213111120 is 211113121322.

2231213111120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231213111120³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2231213111092 and 2231213111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551050856 + ... + 551054904.

It is an arithmetic number, because the mean of its divisors is an integer number (37139196600).

Almost surely, 2^{2231213111120} is an apocalyptic number.

2231213111120 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 2231213111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971135728000).

2231213111120 is an abundant number, since it is smaller than the sum of its proper divisors (3711058344880).

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

2231213111120 is a wasteful number, since it uses less digits than its factorization.

2231213111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085 (or 6079 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2231213111120 its reverse (211113121322), we get a palindrome (2442326232442).

The spelling of 2231213111120 in words is "two trillion, two hundred thirty-one billion, two hundred thirteen million, one hundred eleven thousand, one hundred twenty".