10221222120202 has 24 divisors (see below), whose sum is σ = 16186850385696. Its totient is φ = 4839953497704.

The previous prime is 10221222120079. The next prime is 10221222120257. The reversal of 10221222120202 is 20202122212201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 10221222120202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367408 + ... + 4536235.

It is an arithmetic number, because the mean of its divisors is an integer number (674452099404).

Almost surely, 2^{10221222120202} is an apocalyptic number.

10221222120202 is a deficient number, since it is larger than the sum of its proper divisors (5965628265494).

10221222120202 is a wasteful number, since it uses less digits than its factorization.

10221222120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906570 (or 4906551 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10221222120202 its reverse (20202122212201), we get a palindrome (30423344332403).

The spelling of 10221222120202 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred two".