211410201220 has 12 divisors (see below), whose sum is σ = 443961422604. Its totient is φ = 84564080480.

The previous prime is 211410201193. The next prime is 211410201229. The reversal of 211410201220 is 22102014112.

It can be written as a sum of positive squares in 2 ways, for example, as 60375369796 + 151034831424 = 245714^2 + 388632^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211410201194 and 211410201203.

It is not an unprimeable number, because it can be changed into a prime (211410201229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285255011 + ... + 5285255050.

It is an arithmetic number, because the mean of its divisors is an integer number (36996785217).

Almost surely, 2^211410201220 is an apocalyptic number.

211410201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211410201220 is an abundant number, since it is smaller than the sum of its proper divisors (232551221384).

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

211410201220 is a wasteful number, since it uses less digits than its factorization.

211410201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570510070 (or 10570510068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211410201220 its reverse (22102014112), we get a palindrome (233512215332).

The spelling of 211410201220 in words is "two hundred eleven billion, four hundred ten million, two hundred one thousand, two hundred twenty".