2131331330121 has 8 divisors (see below), whose sum is σ = 3247742979264. Its totient is φ = 1217903617200.

The previous prime is 2131331330119. The next prime is 2131331330189. The reversal of 2131331330121 is 1210331331312.

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

It is not a de Polignac number, because 2131331330121 - 2¹ = 2131331330119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131331330091 and 2131331330100.

It is not an unprimeable number, because it can be changed into a prime (2131331338121) 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, 50745984030 + ... + 50745984071.

It is an arithmetic number, because the mean of its divisors is an integer number (405967872408).

Almost surely, 2^{2131331330121} is an apocalyptic number.

2131331330121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2131331330121 is a deficient number, since it is larger than the sum of its proper divisors (1116411649143).

2131331330121 is a wasteful number, since it uses less digits than its factorization.

2131331330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101491968111.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 2131331330121 its reverse (1210331331312), we get a palindrome (3341662661433).

The spelling of 2131331330121 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-one million, three hundred thirty thousand, one hundred twenty-one".