21310313112210 has 32 divisors (see below), whose sum is σ = 54153266262912. Its totient is φ = 5348470741760.

The previous prime is 21310313112197. The next prime is 21310313112251. The reversal of 21310313112210 is 1221131301312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20892463326 + ... + 20892464345.

It is an arithmetic number, because the mean of its divisors is an integer number (1692289570716).

Almost surely, 2^{21310313112210} is an apocalyptic number.

21310313112210 is an abundant number, since it is smaller than the sum of its proper divisors (32842953150702).

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

21310313112210 is a wasteful number, since it uses less digits than its factorization.

21310313112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41784927698.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21310313112210 its reverse (1221131301312), we get a palindrome (22531444413522).

The spelling of 21310313112210 in words is "twenty-one trillion, three hundred ten billion, three hundred thirteen million, one hundred twelve thousand, two hundred ten".