221210002112211 has 64 divisors (see below), whose sum is σ = 375761252106240. Its totient is φ = 125992200137760.

The previous prime is 221210002112179. The next prime is 221210002112237. The reversal of 221210002112211 is 112211200012122.

221210002112211 is a `hidden beast` number, since 2 + 21 + 210 + 0 + 0 + 211 + 221 + 1 = 666.

It is not a de Polignac number, because 221210002112211 - 2⁵ = 221210002112179 is a prime.

It is a super-3 number, since 3×221210002112211³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (221210002112711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 249982006 + ... + 250865348.

It is an arithmetic number, because the mean of its divisors is an integer number (5871269564160).

Almost surely, 2^{221210002112211} is an apocalyptic number.

221210002112211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

221210002112211 is a deficient number, since it is larger than the sum of its proper divisors (154551249994029).

221210002112211 is a wasteful number, since it uses less digits than its factorization.

221210002112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887693 (or 887687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 221210002112211 its reverse (112211200012122), we get a palindrome (333421202124333).

The spelling of 221210002112211 in words is "two hundred twenty-one trillion, two hundred ten billion, two million, one hundred twelve thousand, two hundred eleven".