211322002221222 has 32 divisors (see below), whose sum is σ = 422840912833248. Its totient is φ = 70407853710336.

The previous prime is 211322002221163. The next prime is 211322002221247. The reversal of 211322002221222 is 222122200223112.

It is a junction number, because it is equal to n+sod(n) for n = 211322002221192 and 211322002221201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195694608 + ... + 196771500.

It is an arithmetic number, because the mean of its divisors is an integer number (13213778526039).

Almost surely, 2^{211322002221222} is an apocalyptic number.

211322002221222 is an abundant number, since it is smaller than the sum of its proper divisors (211518910612026).

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

211322002221222 is a wasteful number, since it uses less digits than its factorization.

211322002221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092104.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 211322002221222 its reverse (222122200223112), we get a palindrome (433444202444334).

The spelling of 211322002221222 in words is "two hundred eleven trillion, three hundred twenty-two billion, two million, two hundred twenty-one thousand, two hundred twenty-two".