10221220200122 has 32 divisors (see below), whose sum is σ = 16418679264000. Its totient is φ = 4755334042368.

The previous prime is 10221220200109. The next prime is 10221220200137. The reversal of 10221220200122 is 22100202212201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 10221220200122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338597 + ... + 4533992.

It is an arithmetic number, because the mean of its divisors is an integer number (513083727000).

Almost surely, 2^{10221220200122} is an apocalyptic number.

10221220200122 is a deficient number, since it is larger than the sum of its proper divisors (6197459063878).

10221220200122 is a wasteful number, since it uses less digits than its factorization.

10221220200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873310.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10221220200122 its reverse (22100202212201), we get a palindrome (32321422412323).

The spelling of 10221220200122 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, two hundred thousand, one hundred twenty-two".