210221122211082 has 24 divisors (see below), whose sum is σ = 457863805451520. Its totient is φ = 69706829353320.

The previous prime is 210221122211081. The next prime is 210221122211117. The reversal of 210221122211082 is 280112221122012.

It is a happy number.

210221122211082 is a `hidden beast` number, since 210 + 2 + 211 + 2 + 221 + 10 + 8 + 2 = 666.

210221122211082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×210221122211082³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (210221122211081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30573167332 + ... + 30573174207.

It is an arithmetic number, because the mean of its divisors is an integer number (19077658560480).

Almost surely, 2^{210221122211082} is an apocalyptic number.

210221122211082 is an abundant number, since it is smaller than the sum of its proper divisors (247642683240438).

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

210221122211082 is a wasteful number, since it uses less digits than its factorization.

210221122211082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61146341738 (or 61146341735 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

Adding to 210221122211082 its reverse (280112221122012), we get a palindrome (490333343333094).

The spelling of 210221122211082 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, eighty-two".