210220012221222 has 32 divisors (see below), whose sum is σ = 442618723624320. Its totient is φ = 66377725490880.

The previous prime is 210220012221221. The next prime is 210220012221251. The reversal of 210220012221222 is 222122210022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220012221221) 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, 103735479 + ... + 105742562.

It is an arithmetic number, because the mean of its divisors is an integer number (13831835113260).

Almost surely, 2^{210220012221222} is an apocalyptic number.

210220012221222 is an abundant number, since it is smaller than the sum of its proper divisors (232398711403098).

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

210220012221222 is a wasteful number, since it uses less digits than its factorization.

210220012221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209486868.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 210220012221222 its reverse (222122210022012), we get a palindrome (432342222243234).

The spelling of 210220012221222 in words is "two hundred ten trillion, two hundred twenty billion, twelve million, two hundred twenty-one thousand, two hundred twenty-two".