2321121331144 has 64 divisors (see below), whose sum is σ = 5426221541760. Its totient is φ = 904295715840.

The previous prime is 2321121331129. The next prime is 2321121331189. The reversal of 2321121331144 is 4411331211232.

2321121331144 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 3×2321121331144³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18477154 + ... + 18602350.

It is an arithmetic number, because the mean of its divisors is an integer number (84784711590).

Almost surely, 2^{2321121331144} is an apocalyptic number.

It is an amenable number.

2321121331144 is an abundant number, since it is smaller than the sum of its proper divisors (3105100210616).

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

2321121331144 is a wasteful number, since it uses less digits than its factorization.

2321121331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155318 (or 155314 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 2321121331144 its reverse (4411331211232), we get a palindrome (6732452542376).

The spelling of 2321121331144 in words is "two trillion, three hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred forty-four".