1020200021201 has 8 divisors (see below), whose sum is σ = 1093885355520. Its totient is φ = 948033972288.

The previous prime is 1020200021189. The next prime is 1020200021213. The reversal of 1020200021201 is 1021200020201.

It is a happy number.

1020200021201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020200021189) and next prime (1020200021213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020200021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020200026201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379819961 + ... + 379822646.

It is an arithmetic number, because the mean of its divisors is an integer number (136735669440).

Almost surely, 2^{1020200021201} is an apocalyptic number.

It is an amenable number.

1020200021201 is a deficient number, since it is larger than the sum of its proper divisors (73685334319).

1020200021201 is an equidigital number, since it uses as much as digits as its factorization.

1020200021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759642703.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020200021201 its reverse (1021200020201), we get a palindrome (2041400041402).

The spelling of 1020200021201 in words is "one trillion, twenty billion, two hundred million, twenty-one thousand, two hundred one".