1021021200201 has 8 divisors (see below), whose sum is σ = 1398155157184. Its totient is φ = 662284021680.

The previous prime is 1021021200193. The next prime is 1021021200203. The reversal of 1021021200201 is 1020021201201.

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

It is not a de Polignac number, because 1021021200201 - 2³ = 1021021200193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021021200203) 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, 4599194485 + ... + 4599194706.

It is an arithmetic number, because the mean of its divisors is an integer number (174769394648).

Almost surely, 2^{1021021200201} is an apocalyptic number.

It is an amenable number.

1021021200201 is a deficient number, since it is larger than the sum of its proper divisors (377133956983).

1021021200201 is an equidigital number, since it uses as much as digits as its factorization.

1021021200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198389231.

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

Adding to 1021021200201 its reverse (1020021201201), we get a palindrome (2041042401402).

The spelling of 1021021200201 in words is "one trillion, twenty-one billion, twenty-one million, two hundred thousand, two hundred one".