10020000021201 has 24 divisors (see below), whose sum is σ = 15681094434720. Its totient is φ = 6140848162176.

The previous prime is 10020000021181. The next prime is 10020000021223. The reversal of 10020000021201 is 10212000002001.

It is not a de Polignac number, because 10020000021201 - 2¹¹ = 10020000019153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10020000021281) 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 23 ways as a sum of consecutive naturals, for example, 761507331 + ... + 761520488.

It is an arithmetic number, because the mean of its divisors is an integer number (653378934780).

Almost surely, 2^{10020000021201} is an apocalyptic number.

It is an amenable number.

10020000021201 is a deficient number, since it is larger than the sum of its proper divisors (5661094413519).

10020000021201 is a wasteful number, since it uses less digits than its factorization.

10020000021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523027885 (or 1523027882 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10020000021201 its reverse (10212000002001), we get a palindrome (20232000023202).

The spelling of 10020000021201 in words is "ten trillion, twenty billion, twenty-one thousand, two hundred one".