210010010222221 has 16 divisors (see below), whose sum is σ = 230603946955776. Its totient is φ = 189669053440000.

The previous prime is 210010010222197. The next prime is 210010010222279. The reversal of 210010010222221 is 122222010010012.

It is a happy number.

210010010222221 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 210010010222221 - 2¹⁹ = 210010009697933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010010222195 and 210010010222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010010229221) 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, 64076020 + ... + 67273741.

It is an arithmetic number, because the mean of its divisors is an integer number (14412746684736).

Almost surely, 2^{210010010222221} is an apocalyptic number.

It is an amenable number.

210010010222221 is a deficient number, since it is larger than the sum of its proper divisors (20593936733555).

210010010222221 is a wasteful number, since it uses less digits than its factorization.

210010010222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131350724.

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

Adding to 210010010222221 its reverse (122222010010012), we get a palindrome (332232020232233).

It can be divided in two parts, 2100100 and 10222221, that added together give a palindrome (12322321).

The spelling of 210010010222221 in words is "two hundred ten trillion, ten billion, ten million, two hundred twenty-two thousand, two hundred twenty-one".