2121103131230 has 64 divisors (see below), whose sum is σ = 3936569861952. Its totient is φ = 822587166720.

The previous prime is 2121103131229. The next prime is 2121103131263. The reversal of 2121103131230 is 321313011212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11673032 + ... + 11853348.

It is an arithmetic number, because the mean of its divisors is an integer number (61508904093).

Almost surely, 2^{2121103131230} is an apocalyptic number.

2121103131230 is a deficient number, since it is larger than the sum of its proper divisors (1815466730722).

2121103131230 is a wasteful number, since it uses less digits than its factorization.

2121103131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180669.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2121103131230 its reverse (321313011212), we get a palindrome (2442416142442).

The spelling of 2121103131230 in words is "two trillion, one hundred twenty-one billion, one hundred three million, one hundred thirty-one thousand, two hundred thirty".