2123220240331 has 8 divisors (see below), whose sum is σ = 2141591010944. Its totient is φ = 2104928484480.

The previous prime is 2123220240299. The next prime is 2123220240341. The reversal of 2123220240331 is 1330420223212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123220240331 - 2⁵ = 2123220240299 is a prime.

It is a super-2 number, since 2×2123220240331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123220240296 and 2123220240305.

It is not an unprimeable number, because it can be changed into a prime (2123220240341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19699716 + ... + 19807201.

It is an arithmetic number, because the mean of its divisors is an integer number (267698876368).

Almost surely, 2^{2123220240331} is an apocalyptic number.

2123220240331 is a deficient number, since it is larger than the sum of its proper divisors (18370770613).

2123220240331 is a wasteful number, since it uses less digits than its factorization.

2123220240331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39507381.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2123220240331 its reverse (1330420223212), we get a palindrome (3453640463543).

The spelling of 2123220240331 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, two hundred forty thousand, three hundred thirty-one".