21323101212310 has 16 divisors (see below), whose sum is σ = 38635764848352. Its totient is φ = 8472755448000.

The previous prime is 21323101212199. The next prime is 21323101212337. The reversal of 21323101212310 is 1321210132312.

It is a super-2 number, since 2×21323101212310² (a number of 27 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, 7060628031 + ... + 7060631050.

It is an arithmetic number, because the mean of its divisors is an integer number (2414735303022).

Almost surely, 2^{21323101212310} is an apocalyptic number.

21323101212310 is a deficient number, since it is larger than the sum of its proper divisors (17312663636042).

21323101212310 is a wasteful number, since it uses less digits than its factorization.

21323101212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14121259239.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21323101212310 its reverse (1321210132312), we get a palindrome (22644311344622).

The spelling of 21323101212310 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred one million, two hundred twelve thousand, three hundred ten".