10201201020021 has 16 divisors (see below), whose sum is σ = 14838383246400. Its totient is φ = 6182432459520.

The previous prime is 10201201019983. The next prime is 10201201020047. The reversal of 10201201020021 is 12002010210201.

It is not a de Polignac number, because 10201201020021 - 2³⁴ = 10184021150837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10201201019979 and 10201201020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201201020061) 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, 999540 + ... + 4626173.

It is an arithmetic number, because the mean of its divisors is an integer number (927398952900).

Almost surely, 2^{10201201020021} is an apocalyptic number.

10201201020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10201201020021 is a deficient number, since it is larger than the sum of its proper divisors (4637182226379).

10201201020021 is a wasteful number, since it uses less digits than its factorization.

10201201020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680676.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10201201020021 its reverse (12002010210201), we get a palindrome (22203211230222).

The spelling of 10201201020021 in words is "ten trillion, two hundred one billion, two hundred one million, twenty thousand, twenty-one".