210000221211 has 32 divisors (see below), whose sum is σ = 315042794496. Its totient is φ = 123331520000.

The previous prime is 210000221159. The next prime is 210000221243. The reversal of 210000221211 is 112122000012.

210000221211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 210000221211 - 2⁷ = 210000221083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210000228211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513630 + ... + 826931.

It is an arithmetic number, because the mean of its divisors is an integer number (9845087328).

Almost surely, 2^210000221211 is an apocalyptic number.

210000221211 is a deficient number, since it is larger than the sum of its proper divisors (105042573285).

210000221211 is a wasteful number, since it uses less digits than its factorization.

210000221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340723.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210000221211 its reverse (112122000012), we get a palindrome (322122221223).

The spelling of 210000221211 in words is "two hundred ten billion, two hundred twenty-one thousand, two hundred eleven".