2121330130430 has 32 divisors (see below), whose sum is σ = 4363986101760. Its totient is φ = 727295358240.

The previous prime is 2121330130429. The next prime is 2121330130463. The reversal of 2121330130430 is 340310331212.

It is a super-3 number, since 3×2121330130430³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121330130396 and 2121330130405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2682545 + ... + 3382115.

It is an arithmetic number, because the mean of its divisors is an integer number (136374565680).

Almost surely, 2^{2121330130430} is an apocalyptic number.

2121330130430 is an abundant number, since it is smaller than the sum of its proper divisors (2242655971330).

2121330130430 is a wasteful number, since it uses less digits than its factorization.

2121330130430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742904.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2121330130430 its reverse (340310331212), we get a palindrome (2461640461642).

The spelling of 2121330130430 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, one hundred thirty thousand, four hundred thirty".