2000231123121 has 72 divisors (see below), whose sum is σ = 3684898152000. Its totient is φ = 1033859090880.

The previous prime is 2000231123063. The next prime is 2000231123171. The reversal of 2000231123121 is 1213211320002.

2000231123121 is a `hidden beast` number, since 200 + 0 + 231 + 1 + 231 + 2 + 1 = 666.

It is not a de Polignac number, because 2000231123121 - 2⁹ = 2000231122609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000231123094 and 2000231123103.

It is not an unprimeable number, because it can be changed into a prime (2000231123171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70666 + ... + 2001363.

It is an arithmetic number, because the mean of its divisors is an integer number (51179141000).

Almost surely, 2^{2000231123121} is an apocalyptic number.

2000231123121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2000231123121 is a deficient number, since it is larger than the sum of its proper divisors (1684667028879).

2000231123121 is a wasteful number, since it uses less digits than its factorization.

2000231123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072259 (or 2072249 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2000231123121 its reverse (1213211320002), we get a palindrome (3213442443123).

The spelling of 2000231123121 in words is "two trillion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty-one".