210122111222210 has 16 divisors (see below), whose sum is σ = 412603418400192. Its totient is φ = 76408040444400.

The previous prime is 210122111222143. The next prime is 210122111222279. The reversal of 210122111222210 is 12222111221012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955100505446 + ... + 955100505665.

It is an arithmetic number, because the mean of its divisors is an integer number (25787713650012).

Almost surely, 2^{210122111222210} is an apocalyptic number.

210122111222210 is a deficient number, since it is larger than the sum of its proper divisors (202481307177982).

210122111222210 is a wasteful number, since it uses less digits than its factorization.

210122111222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910201011129.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210122111222210 its reverse (12222111221012), we get a palindrome (222344222443222).

The spelling of 210122111222210 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred ten".