2121113131230 has 16 divisors (see below), whose sum is σ = 5090671515024. Its totient is φ = 565630168320.

The previous prime is 2121113131229. The next prime is 2121113131279. The reversal of 2121113131230 is 321313111212.

It is a super-3 number, since 3×2121113131230³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121113131197 and 2121113131206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35351885491 + ... + 35351885550.

It is an arithmetic number, because the mean of its divisors is an integer number (318166969689).

Almost surely, 2^{2121113131230} is an apocalyptic number.

2121113131230 is an abundant number, since it is smaller than the sum of its proper divisors (2969558383794).

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

2121113131230 is a wasteful number, since it uses less digits than its factorization.

2121113131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70703771051.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2121113131230 its reverse (321313111212), we get a palindrome (2442426242442).

The spelling of 2121113131230 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred thirty".