1002010120201 has 4 divisors (see below), whose sum is σ = 1002377294100. Its totient is φ = 1001642946304.

The previous prime is 1002010120159. The next prime is 1002010120211. The reversal of 1002010120201 is 1020210102001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 528494104576 + 473516015625 = 726976^2 + 688125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002010120201 - 2²⁷ = 1001875902473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002010120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183582856 + ... + 183588313.

It is an arithmetic number, because the mean of its divisors is an integer number (250594323525).

Almost surely, 2^{1002010120201} is an apocalyptic number.

It is an amenable number.

1002010120201 is a deficient number, since it is larger than the sum of its proper divisors (367173899).

1002010120201 is an equidigital number, since it uses as much as digits as its factorization.

1002010120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367173898.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002010120201 its reverse (1020210102001), we get a palindrome (2022220222202).

It can be divided in two parts, 1002010 and 120201, that added together give a palindrome (1122211).

The spelling of 1002010120201 in words is "one trillion, two billion, ten million, one hundred twenty thousand, two hundred one".