10202212221222 has 64 divisors (see below), whose sum is σ = 23842556236800. Its totient is φ = 2909122417152.

The previous prime is 10202212221191. The next prime is 10202212221277. The reversal of 10202212221222 is 22212221220201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3892603 + ... + 5962950.

It is an arithmetic number, because the mean of its divisors is an integer number (372539941200).

Almost surely, 2^{10202212221222} is an apocalyptic number.

10202212221222 is an abundant number, since it is smaller than the sum of its proper divisors (13640344015578).

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

10202212221222 is an equidigital number, since it uses as much as digits as its factorization.

10202212221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856082 (or 9856068 counting only the distinct ones).

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

Adding to 10202212221222 its reverse (22212221220201), we get a palindrome (32414433441423).

The spelling of 10202212221222 in words is "ten trillion, two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".