2131330123011 has 16 divisors (see below), whose sum is σ = 2845368892800. Its totient is φ = 1419089388288.

The previous prime is 2131330122997. The next prime is 2131330123033. The reversal of 2131330123011 is 1103210331312.

It is a happy number.

It is not a de Polignac number, because 2131330123011 - 2¹⁴ = 2131330106627 is a prime.

It is a super-2 number, since 2×2131330123011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131330123051) 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 15 ways as a sum of consecutive naturals, for example, 29571160 + ... + 29643146.

It is an arithmetic number, because the mean of its divisors is an integer number (177835555800).

Almost surely, 2^{2131330123011} is an apocalyptic number.

2131330123011 is a deficient number, since it is larger than the sum of its proper divisors (714038769789).

2131330123011 is a wasteful number, since it uses less digits than its factorization.

2131330123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84338.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131330123011 its reverse (1103210331312), we get a palindrome (3234540454323).

The spelling of 2131330123011 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, one hundred twenty-three thousand, eleven".