1002202120201 has 8 divisors (see below), whose sum is σ = 1003786525224. Its totient is φ = 1000618967040.

The previous prime is 1002202120187. The next prime is 1002202120207. The reversal of 1002202120201 is 1020212022001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 278809344576 + 723392775625 = 528024^2 + 850525^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1002202120201 - 2¹¹ = 1002202118153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002202120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295961 + ... + 1919353.

It is an arithmetic number, because the mean of its divisors is an integer number (125473315653).

Almost surely, 2^{1002202120201} is an apocalyptic number.

It is an amenable number.

1002202120201 is a deficient number, since it is larger than the sum of its proper divisors (1584405023).

1002202120201 is a wasteful number, since it uses less digits than its factorization.

1002202120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625931.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002202120201 its reverse (1020212022001), we get a palindrome (2022414142202).

The spelling of 1002202120201 in words is "one trillion, two billion, two hundred two million, one hundred twenty thousand, two hundred one".