210221110012210 has 32 divisors (see below), whose sum is σ = 412798422370752. Its totient is φ = 76443927718080.

The previous prime is 210221110012183. The next prime is 210221110012213. The reversal of 210221110012210 is 12210011122012.

It is not an unprimeable number, because it can be changed into a prime (210221110012213) 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, 126866257 + ... + 128512603.

It is an arithmetic number, because the mean of its divisors is an integer number (12899950699086).

Almost surely, 2^{210221110012210} is an apocalyptic number.

210221110012210 is a deficient number, since it is larger than the sum of its proper divisors (202577312358542).

210221110012210 is a wasteful number, since it uses less digits than its factorization.

210221110012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807178.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210221110012210 its reverse (12210011122012), we get a palindrome (222431121134222).

The spelling of 210221110012210 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred ten million, twelve thousand, two hundred ten".