10221221212022 has 16 divisors (see below), whose sum is σ = 15706529085744. Its totient is φ = 4985723424000.

The previous prime is 10221221211997. The next prime is 10221221212031. The reversal of 10221221212022 is 22021212212201.

10221221212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10221221211985 and 10221221212003.

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, 1243379 + ... + 4689182.

It is an arithmetic number, because the mean of its divisors is an integer number (981658067859).

Almost surely, 2^{10221221212022} is an apocalyptic number.

10221221212022 is a deficient number, since it is larger than the sum of its proper divisors (5485307873722).

10221221212022 is a wasteful number, since it uses less digits than its factorization.

10221221212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953615.

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

Adding to 10221221212022 its reverse (22021212212201), we get a palindrome (32242433424223).

The spelling of 10221221212022 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twelve thousand, twenty-two".