210112212200221 has 16 divisors (see below), whose sum is σ = 214037413286400. Its totient is φ = 206220476786688.

The previous prime is 210112212200197. The next prime is 210112212200251. The reversal of 210112212200221 is 122002212211012.

It is a cyclic number.

It is not a de Polignac number, because 210112212200221 - 2³⁵ = 210077852461853 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 (210112212200251) 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, 12089520 + ... + 23798758.

It is an arithmetic number, because the mean of its divisors is an integer number (13377338330400).

Almost surely, 2^{210112212200221} is an apocalyptic number.

It is an amenable number.

210112212200221 is a deficient number, since it is larger than the sum of its proper divisors (3925201086179).

210112212200221 is a wasteful number, since it uses less digits than its factorization.

210112212200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710668.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210112212200221 its reverse (122002212211012), we get a palindrome (332114424411233).

The spelling of 210112212200221 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twelve million, two hundred thousand, two hundred twenty-one".