2002101201 has 6 divisors (see below), whose sum is σ = 2891923970. Its totient is φ = 1334734128.

The previous prime is 2002101181. The next prime is 2002101223. The reversal of 2002101201 is 1021012002.

It can be written as a sum of positive squares in only one way, i.e., 1625702400 + 376398801 = 40320^2 + 19401^2 .

It is not a de Polignac number, because 2002101201 - 2⁶ = 2002101137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 222455689 = 2002101201 / (2 + 0 + 0 + 2 + 1 + 0 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002101281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111227836 + ... + 111227853.

Almost surely, 2^2002101201 is an apocalyptic number.

It is an amenable number.

2002101201 is a deficient number, since it is larger than the sum of its proper divisors (889822769).

2002101201 is a wasteful number, since it uses less digits than its factorization.

2002101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222455695 (or 222455692 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2002101201 is about 44744.8455243730. The cubic root of 2002101201 is about 1260.3621200297.

Adding to 2002101201 its reverse (1021012002), we get a palindrome (3023113203).

The spelling of 2002101201 in words is "two billion, two million, one hundred one thousand, two hundred one".