2331122000000 has 224 divisors, whose sum is σ = 5815778291460. Its totient is φ = 930713600000.

The previous prime is 2331121999991. The next prime is 2331122000017. The reversal of 2331122000000 is 2211332.

It is a happy number.

It can be written as a sum of positive squares in 14 ways, for example, as 1520012820544 + 811109179456 = 1232888^2 + 900616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1953999404 + ... + 1954000596.

Almost surely, 2^{2331122000000} is an apocalyptic number.

2331122000000 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 2331122000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907889145730).

2331122000000 is an abundant number, since it is smaller than the sum of its proper divisors (3484656291460).

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

2331122000000 is an frugal number, since it uses more digits than its factorization.

2331122000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2331122000000 its reverse (2211332), we get a palindrome (2331124211332).

The spelling of 2331122000000 in words is "two trillion, three hundred thirty-one billion, one hundred twenty-two million", and thus it is an aban number.