211222020200220 has 72 divisors (see below), whose sum is σ = 678395429594064. Its totient is φ = 53012585461248.

The previous prime is 211222020200201. The next prime is 211222020200221. The reversal of 211222020200220 is 22002020222112.

211222020200220 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 220 + 20 + 200 + 220 = 666.

It is a super-2 number, since 2×211222020200220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211222020200193 and 211222020200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222020200221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34513398934 + ... + 34513405053.

It is an arithmetic number, because the mean of its divisors is an integer number (9422158744362).

Almost surely, 2^{211222020200220} is an apocalyptic number.

211222020200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222020200220 is an abundant number, since it is smaller than the sum of its proper divisors (467173409393844).

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

211222020200220 is a wasteful number, since it uses less digits than its factorization.

211222020200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69026804019 (or 69026804014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 211222020200220 its reverse (22002020222112), we get a palindrome (233224040422332).

The spelling of 211222020200220 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty million, two hundred thousand, two hundred twenty".