10212121220222 has 8 divisors (see below), whose sum is σ = 15512082866400. Its totient is φ = 5041426931424.

The previous prime is 10212121220209. The next prime is 10212121220293. The reversal of 10212121220222 is 22202212121201.

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 = 10212121220194 and 10212121220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32316839147 + ... + 32316839462.

It is an arithmetic number, because the mean of its divisors is an integer number (1939010358300).

Almost surely, 2^{10212121220222} is an apocalyptic number.

10212121220222 is a deficient number, since it is larger than the sum of its proper divisors (5299961646178).

10212121220222 is an equidigital number, since it uses as much as digits as its factorization.

10212121220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64633678690.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10212121220222 its reverse (22202212121201), we get a palindrome (32414333341423).

The spelling of 10212121220222 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".