2121313133210 has 32 divisors (see below), whose sum is σ = 3942312297984. Its totient is φ = 820991880000.

The previous prime is 2121313133197. The next prime is 2121313133249. The reversal of 2121313133210 is 123313131212.

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, 910565 + ... + 2252055.

It is an arithmetic number, because the mean of its divisors is an integer number (123197259312).

Almost surely, 2^{2121313133210} is an apocalyptic number.

2121313133210 is a deficient number, since it is larger than the sum of its proper divisors (1820999164774).

2121313133210 is a wasteful number, since it uses less digits than its factorization.

2121313133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346630.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2121313133210 its reverse (123313131212), we get a palindrome (2244626264422).

The spelling of 2121313133210 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred ten".