211323220323310 has 16 divisors (see below), whose sum is σ = 382659531893856. Its totient is φ = 84023124726688.

The previous prime is 211323220323289. The next prime is 211323220323349. The reversal of 211323220323310 is 13323022323112.

It is a happy number.

It is a super-2 number, since 2×211323220323310² (a number of 29 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, 63270423577 + ... + 63270426916.

It is an arithmetic number, because the mean of its divisors is an integer number (23916220743366).

Almost surely, 2^{211323220323310} is an apocalyptic number.

211323220323310 is a deficient number, since it is larger than the sum of its proper divisors (171336311570546).

211323220323310 is a wasteful number, since it uses less digits than its factorization.

211323220323310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126540850667.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 211323220323310 its reverse (13323022323112), we get a palindrome (224646242646422).

The spelling of 211323220323310 in words is "two hundred eleven trillion, three hundred twenty-three billion, two hundred twenty million, three hundred twenty-three thousand, three hundred ten".