21312101333310 has 32 divisors (see below), whose sum is σ = 51250731194880. Its totient is φ = 5671928356128.

The previous prime is 21312101333297. The next prime is 21312101333339. The reversal of 21312101333310 is 1333310121312.

It is a super-2 number, since 2×21312101333310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706151290 + ... + 706181469.

It is an arithmetic number, because the mean of its divisors is an integer number (1601585349840).

Almost surely, 2^{21312101333310} is an apocalyptic number.

21312101333310 is an abundant number, since it is smaller than the sum of its proper divisors (29938629861570).

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

21312101333310 is a wasteful number, since it uses less digits than its factorization.

21312101333310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412333272.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21312101333310 its reverse (1333310121312), we get a palindrome (22645411454622).

The spelling of 21312101333310 in words is "twenty-one trillion, three hundred twelve billion, one hundred one million, three hundred thirty-three thousand, three hundred ten".