210012110221 has 8 divisors (see below), whose sum is σ = 222473442080. Its totient is φ = 197691584688.

The previous prime is 210012110141. The next prime is 210012110263. The reversal of 210012110221 is 122011210012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210012110221 - 2⁷ = 210012110093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210018110221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35198511 + ... + 35204476.

It is an arithmetic number, because the mean of its divisors is an integer number (27809180260).

Almost surely, 2^210012110221 is an apocalyptic number.

It is an amenable number.

210012110221 is a deficient number, since it is larger than the sum of its proper divisors (12461331859).

210012110221 is a wasteful number, since it uses less digits than its factorization.

210012110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70403163.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210012110221 its reverse (122011210012), we get a palindrome (332023320233).

The spelling of 210012110221 in words is "two hundred ten billion, twelve million, one hundred ten thousand, two hundred twenty-one".