10001221120222 has 8 divisors (see below), whose sum is σ = 15080375302272. Its totient is φ = 4974429352800.

The previous prime is 10001221120199. The next prime is 10001221120301. The reversal of 10001221120222 is 22202112210001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10001221120196 and 10001221120205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13090603179 + ... + 13090603942.

It is an arithmetic number, because the mean of its divisors is an integer number (1885046912784).

Almost surely, 2^{10001221120222} is an apocalyptic number.

10001221120222 is a deficient number, since it is larger than the sum of its proper divisors (5079154182050).

10001221120222 is a wasteful number, since it uses less digits than its factorization.

10001221120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26181207314.

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

Adding to 10001221120222 its reverse (22202112210001), we get a palindrome (32203333330223).

The spelling of 10001221120222 in words is "ten trillion, one billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".