210221012002210 has 128 divisors (see below), whose sum is σ = 435093439334400. Its totient is φ = 72325762560000.

The previous prime is 210221012002189. The next prime is 210221012002237. The reversal of 210221012002210 is 12200210122012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5055921201 + ... + 5055962779.

It is an arithmetic number, because the mean of its divisors is an integer number (3399167494800).

Almost surely, 2^{210221012002210} is an apocalyptic number.

210221012002210 is an abundant number, since it is smaller than the sum of its proper divisors (224872427332190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210221012002210 is a wasteful number, since it uses less digits than its factorization.

210221012002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44728.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210221012002210 its reverse (12200210122012), we get a palindrome (222421222124222).

The spelling of 210221012002210 in words is "two hundred ten trillion, two hundred twenty-one billion, twelve million, two thousand, two hundred ten".