210222120121210 has 16 divisors (see below), whose sum is σ = 381122117056800. Its totient is φ = 83483892306576.

The previous prime is 210222120121199. The next prime is 210222120121219. The reversal of 210222120121210 is 12121021222012.

It is not an unprimeable number, because it can be changed into a prime (210222120121219) 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, 75619466280 + ... + 75619469059.

It is an arithmetic number, because the mean of its divisors is an integer number (23820132316050).

Almost surely, 2^{210222120121210} is an apocalyptic number.

210222120121210 is a deficient number, since it is larger than the sum of its proper divisors (170899996935590).

210222120121210 is a wasteful number, since it uses less digits than its factorization.

210222120121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151238935485.

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

Adding to 210222120121210 its reverse (12121021222012), we get a palindrome (222343141343222).

The spelling of 210222120121210 in words is "two hundred ten trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred ten".