2121334322130 has 72 divisors (see below), whose sum is σ = 5858993344932. Its totient is φ = 532413313536.

The previous prime is 2121334322087. The next prime is 2121334322137. The reversal of 2121334322130 is 312234331212.

2121334322130 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 334 + 322 + 1 + 3 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1507009125609 + 614325196521 = 1227603^2 + 783789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2121334322094 and 2121334322103.

It is not an unprimeable number, because it can be changed into a prime (2121334322137) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40753197 + ... + 40805216.

Almost surely, 2^{2121334322130} is an apocalyptic number.

2121334322130 is an abundant number, since it is smaller than the sum of its proper divisors (3737659022802).

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

2121334322130 is a wasteful number, since it uses less digits than its factorization.

2121334322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81558460 (or 81558440 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2121334322130 its reverse (312234331212), we get a palindrome (2433568653342).

The spelling of 2121334322130 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-four million, three hundred twenty-two thousand, one hundred thirty".