210411212220 has 96 divisors (see below), whose sum is σ = 714122922240. Its totient is φ = 51008777280.

The previous prime is 210411212197. The next prime is 210411212233. The reversal of 210411212220 is 22212114012.

210411212220 is a `hidden beast` number, since 2 + 10 + 411 + 21 + 2 + 220 = 666.

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 = 210411212193 and 210411212202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17705442 + ... + 17717321.

It is an arithmetic number, because the mean of its divisors is an integer number (7438780440).

Almost surely, 2^210411212220 is an apocalyptic number.

210411212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210411212220 is an abundant number, since it is smaller than the sum of its proper divisors (503711710020).

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

210411212220 is a wasteful number, since it uses less digits than its factorization.

210411212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35422792 (or 35422784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210411212220 its reverse (22212114012), we get a palindrome (232623326232).

The spelling of 210411212220 in words is "two hundred ten billion, four hundred eleven million, two hundred twelve thousand, two hundred twenty".