2001010202 has 4 divisors (see below), whose sum is σ = 3001515306. Its totient is φ = 1000505100.

The previous prime is 2001010169. The next prime is 2001010247. The reversal of 2001010202 is 2020101002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2020101002 = 2 ⋅1010050501.

It can be written as a sum of positive squares in only one way, i.e., 1746320521 + 254689681 = 41789^2 + 15959^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001010202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500252549 + ... + 500252552.

Almost surely, 2^2001010202 is an apocalyptic number.

2001010202 is a deficient number, since it is larger than the sum of its proper divisors (1000505104).

2001010202 is a wasteful number, since it uses less digits than its factorization.

2001010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000505103.

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

The square root of 2001010202 is about 44732.6525258675. The cubic root of 2001010202 is about 1260.1331433168.

Adding to 2001010202 its reverse (2020101002), we get a palindrome (4021111204).

The spelling of 2001010202 in words is "two billion, one million, ten thousand, two hundred two".