211222203232020 has 192 divisors, whose sum is σ = 628703178969600. Its totient is φ = 52884213258240.

The previous prime is 211222203232003. The next prime is 211222203232037. The reversal of 211222203232020 is 20232302222112.

It is an interprime number because it is at equal distance from previous prime (211222203232003) and next prime (211222203232037).

It is a super-3 number, since 3×211222203232020³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114258865 + ... + 116092775.

It is an arithmetic number, because the mean of its divisors is an integer number (3274495723800).

Almost surely, 2^{211222203232020} is an apocalyptic number.

211222203232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211222203232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314351589484800).

211222203232020 is an abundant number, since it is smaller than the sum of its proper divisors (417480975737580).

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

211222203232020 is a wasteful number, since it uses less digits than its factorization.

211222203232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835778 (or 1835776 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 211222203232020 its reverse (20232302222112), we get a palindrome (231454505454132).

The spelling of 211222203232020 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred three million, two hundred thirty-two thousand, twenty".