10020121120202 has 16 divisors (see below), whose sum is σ = 15702409002600. Its totient is φ = 4789405790400.

The previous prime is 10020121120187. The next prime is 10020121120211. The reversal of 10020121120202 is 20202112102001.

It can be written as a sum of positive squares in 4 ways, for example, as 8977759756681 + 1042361363521 = 2996291^2 + 1020961^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855245177 + ... + 855256892.

Almost surely, 2^{10020121120202} is an apocalyptic number.

10020121120202 is a deficient number, since it is larger than the sum of its proper divisors (5682287882398).

10020121120202 is a wasteful number, since it uses less digits than its factorization.

10020121120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710502201.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10020121120202 its reverse (20202112102001), we get a palindrome (30222233222203).

The spelling of 10020121120202 in words is "ten trillion, twenty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".