210001212220222 has 16 divisors (see below), whose sum is σ = 315201638747520. Its totient is φ = 104934009186432.

The previous prime is 210001212220201. The next prime is 210001212220271. The reversal of 210001212220222 is 222022212100012.

It is a self number, because there is not a number n which added to its sum of digits gives 210001212220222.

It is a congruent number.

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, 40154338 + ... + 45081850.

It is an arithmetic number, because the mean of its divisors is an integer number (19700102421720).

Almost surely, 2^{210001212220222} is an apocalyptic number.

210001212220222 is a deficient number, since it is larger than the sum of its proper divisors (105200426527298).

210001212220222 is a wasteful number, since it uses less digits than its factorization.

210001212220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941027.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210001212220222 its reverse (222022212100012), we get a palindrome (432023424320234).

The spelling of 210001212220222 in words is "two hundred ten trillion, one billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-two".