210211441220 has 48 divisors (see below), whose sum is σ = 486540044928. Its totient is φ = 75652469760.

The previous prime is 210211441183. The next prime is 210211441229. The reversal of 210211441220 is 22144112012.

It is a super-3 number, since 3×210211441220³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210211441192 and 210211441201.

It is not an unprimeable number, because it can be changed into a prime (210211441229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4903952 + ... + 4946631.

It is an arithmetic number, because the mean of its divisors is an integer number (10136250936).

Almost surely, 2^210211441220 is an apocalyptic number.

210211441220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211441220 is an abundant number, since it is smaller than the sum of its proper divisors (276328603708).

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

210211441220 is a wasteful number, since it uses less digits than its factorization.

210211441220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850700 (or 9850698 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210211441220 its reverse (22144112012), we get a palindrome (232355553232).

The spelling of 210211441220 in words is "two hundred ten billion, two hundred eleven million, four hundred forty-one thousand, two hundred twenty".