10020021121201 has 16 divisors (see below), whose sum is σ = 12347318389504. Its totient is φ = 7918295776704.

The previous prime is 10020021121163. The next prime is 10020021121223. The reversal of 10020021121201 is 10212112002001.

It is a cyclic number.

It is not a de Polignac number, because 10020021121201 - 2⁷ = 10020021121073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10020021131201) 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, 66820686 + ... + 66970471.

It is an arithmetic number, because the mean of its divisors is an integer number (771707399344).

Almost surely, 2^{10020021121201} is an apocalyptic number.

It is an amenable number.

10020021121201 is a deficient number, since it is larger than the sum of its proper divisors (2327297268303).

10020021121201 is a wasteful number, since it uses less digits than its factorization.

10020021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133792000.

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

Adding to 10020021121201 its reverse (10212112002001), we get a palindrome (20232133123202).

The spelling of 10020021121201 in words is "ten trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, two hundred one".