211323001320222 has 64 divisors (see below), whose sum is σ = 461669331207168. Its totient is φ = 63953856512000.

The previous prime is 211323001320209. The next prime is 211323001320227. The reversal of 211323001320222 is 222023100323112.

It is a super-2 number, since 2×211323001320222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211323001320192 and 211323001320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211323001320227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166517947 + ... + 167782217.

It is an arithmetic number, because the mean of its divisors is an integer number (7213583300112).

Almost surely, 2^{211323001320222} is an apocalyptic number.

211323001320222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211323001320222 is an abundant number, since it is smaller than the sum of its proper divisors (250346329886946).

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

211323001320222 is a wasteful number, since it uses less digits than its factorization.

211323001320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267585.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211323001320222 its reverse (222023100323112), we get a palindrome (433346101643334).

The spelling of 211323001320222 in words is "two hundred eleven trillion, three hundred twenty-three billion, one million, three hundred twenty thousand, two hundred twenty-two".