2121030033130 has 32 divisors (see below), whose sum is σ = 3855814389504. Its totient is φ = 839985765696.

The previous prime is 2121030033127. The next prime is 2121030033131. The reversal of 2121030033130 is 313300301212.

It is a junction number, because it is equal to n+sod(n) for n = 2121030033098 and 2121030033107.

It is not an unprimeable number, because it can be changed into a prime (2121030033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226079 + ... + 2396941.

It is an arithmetic number, because the mean of its divisors is an integer number (120494199672).

Almost surely, 2^{2121030033130} is an apocalyptic number.

2121030033130 is a deficient number, since it is larger than the sum of its proper divisors (1734784356374).

2121030033130 is a wasteful number, since it uses less digits than its factorization.

2121030033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172670.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2121030033130 its reverse (313300301212), we get a palindrome (2434330334342).

The spelling of 2121030033130 in words is "two trillion, one hundred twenty-one billion, thirty million, thirty-three thousand, one hundred thirty".