10001221122098 has 16 divisors (see below), whose sum is σ = 15035413844664. Its totient is φ = 4989417607680.

The previous prime is 10001221122091. The next prime is 10001221122157. The reversal of 10001221122098 is 89022112210001.

It can be written as a sum of positive squares in 4 ways, for example, as 5494631347969 + 4506589774129 = 2344063^2 + 2122873^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10001221122098.

It is not an unprimeable number, because it can be changed into a prime (10001221122091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18637886 + ... + 19166982.

Almost surely, 2^{10001221122098} is an apocalyptic number.

10001221122098 is a deficient number, since it is larger than the sum of its proper divisors (5034192722566).

10001221122098 is a wasteful number, since it uses less digits than its factorization.

10001221122098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550237.

The product of its (nonzero) digits is 1152, while the sum is 29.

Adding to 10001221122098 its reverse (89022112210001), we get a palindrome (99023333332099).

The spelling of 10001221122098 in words is "ten trillion, one billion, two hundred twenty-one million, one hundred twenty-two thousand, ninety-eight".