213221022122310 has 64 divisors (see below), whose sum is σ = 525565688760000. Its totient is φ = 55321718211072.

The previous prime is 213221022122293. The next prime is 213221022122351. The reversal of 213221022122310 is 13221220122312.

It is a super-3 number, since 3×213221022122310³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 133235976 + ... + 134826804.

It is an arithmetic number, because the mean of its divisors is an integer number (8211963886875).

Almost surely, 2^{213221022122310} is an apocalyptic number.

213221022122310 is an abundant number, since it is smaller than the sum of its proper divisors (312344666637690).

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

213221022122310 is a wasteful number, since it uses less digits than its factorization.

213221022122310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711625.

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

Adding to 213221022122310 its reverse (13221220122312), we get a palindrome (226442242244622).

The spelling of 213221022122310 in words is "two hundred thirteen trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, three hundred ten".