2002102120201 has 4 divisors (see below), whose sum is σ = 2119872833172. Its totient is φ = 1884331407232.

The previous prime is 2002102120127. The next prime is 2002102120247. The reversal of 2002102120201 is 1020212012002.

It is a happy number.

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 1601287776400 + 400814343801 = 1265420^2 + 633099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002102120201 - 2²³ = 2002093731593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002102120001) 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, 58885356460 + ... + 58885356493.

It is an arithmetic number, because the mean of its divisors is an integer number (529968208293).

Almost surely, 2^{2002102120201} is an apocalyptic number.

It is an amenable number.

2002102120201 is a deficient number, since it is larger than the sum of its proper divisors (117770712971).

2002102120201 is a wasteful number, since it uses less digits than its factorization.

2002102120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117770712970.

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

Adding to 2002102120201 its reverse (1020212012002), we get a palindrome (3022314132203).

The spelling of 2002102120201 in words is "two trillion, two billion, one hundred two million, one hundred twenty thousand, two hundred one".