10201020121010 has 32 divisors (see below), whose sum is σ = 18871626134592. Its totient is φ = 3967957465920.

The previous prime is 10201020120947. The next prime is 10201020121013. The reversal of 10201020121010 is 1012102010201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10201020120982 and 10201020121000.

It is not an unprimeable number, because it can be changed into a prime (10201020121013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 52156361 + ... + 52351580.

It is an arithmetic number, because the mean of its divisors is an integer number (589738316706).

Almost surely, 2^{10201020121010} is an apocalyptic number.

10201020121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10201020121010 is a deficient number, since it is larger than the sum of its proper divisors (8670606013582).

10201020121010 is a wasteful number, since it uses less digits than its factorization.

10201020121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104508218.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10201020121010 its reverse (1012102010201), we get a palindrome (11213122131211).

The spelling of 10201020121010 in words is "ten trillion, two hundred one billion, twenty million, one hundred twenty-one thousand, ten".