211022000212220 has 24 divisors (see below), whose sum is σ = 443149607955600. Its totient is φ = 84408151035392.

The previous prime is 211022000212201. The next prime is 211022000212229. The reversal of 211022000212220 is 22212000220112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022000212229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37895285 + ... + 43105644.

It is an arithmetic number, because the mean of its divisors is an integer number (18464566998150).

Almost surely, 2^{211022000212220} is an apocalyptic number.

211022000212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211022000212220 is an abundant number, since it is smaller than the sum of its proper divisors (232127607743380).

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

211022000212220 is a wasteful number, since it uses less digits than its factorization.

211022000212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81131197 (or 81131195 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211022000212220 its reverse (22212000220112), we get a palindrome (233234000432332).

The spelling of 211022000212220 in words is "two hundred eleven trillion, twenty-two billion, two hundred twelve thousand, two hundred twenty".