2121310320310 has 16 divisors (see below), whose sum is σ = 3818492838000. Its totient is φ = 848494292256.

The previous prime is 2121310320287. The next prime is 2121310320329. The reversal of 2121310320310 is 130230131212.

It is a super-2 number, since 2×2121310320310² (a number of 25 digits) contains 22 as substring.

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, 3429720 + ... + 4000699.

It is an arithmetic number, because the mean of its divisors is an integer number (238655802375).

Almost surely, 2^{2121310320310} is an apocalyptic number.

2121310320310 is a deficient number, since it is larger than the sum of its proper divisors (1697182517690).

2121310320310 is a wasteful number, since it uses less digits than its factorization.

2121310320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458975.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2121310320310 its reverse (130230131212), we get a palindrome (2251540451522).

The spelling of 2121310320310 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, three hundred twenty thousand, three hundred ten".