10121011020202 has 32 divisors (see below), whose sum is σ = 15647483713680. Its totient is φ = 4906723092480.

The previous prime is 10121011020179. The next prime is 10121011020209. The reversal of 10121011020202 is 20202011012101.

It can be written as a sum of positive squares in 8 ways, for example, as 4437464427841 + 5683546592361 = 2106529^2 + 2384019^2 .

It is not an unprimeable number, because it can be changed into a prime (10121011020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38582878 + ... + 38844310.

Almost surely, 2^{10121011020202} is an apocalyptic number.

10121011020202 is a deficient number, since it is larger than the sum of its proper divisors (5526472693478).

10121011020202 is a wasteful number, since it uses less digits than its factorization.

10121011020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264378.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121011020202 its reverse (20202011012101), we get a palindrome (30323022032303).

The spelling of 10121011020202 in words is "ten trillion, one hundred twenty-one billion, eleven million, twenty thousand, two hundred two".