2121313404210 has 192 divisors, whose sum is σ = 6957739119744. Its totient is φ = 406885248000.

The previous prime is 2121313404169. The next prime is 2121313404227. The reversal of 2121313404210 is 124043131212.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4835491 + ... + 5255910.

It is an arithmetic number, because the mean of its divisors is an integer number (36238224582).

Almost surely, 2^{2121313404210} is an apocalyptic number.

2121313404210 is an abundant number, since it is smaller than the sum of its proper divisors (4836425715534).

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

2121313404210 is a wasteful number, since it uses less digits than its factorization.

2121313404210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091449 (or 10091442 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2121313404210 its reverse (124043131212), we get a palindrome (2245356535422).

The spelling of 2121313404210 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, four hundred four thousand, two hundred ten".