2001202201 has 4 divisors (see below), whose sum is σ = 2002517712. Its totient is φ = 1999886692.

The previous prime is 2001202199. The next prime is 2001202207. The reversal of 2001202201 is 1022021002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2001202201 - 2¹ = 2001202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001202207) 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, 655471 + ... + 658516.

It is an arithmetic number, because the mean of its divisors is an integer number (500629428).

Almost surely, 2^2001202201 is an apocalyptic number.

It is an amenable number.

2001202201 is a deficient number, since it is larger than the sum of its proper divisors (1315511).

2001202201 is a wasteful number, since it uses less digits than its factorization.

2001202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315510.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2001202201 is about 44734.7985465454. The cubic root of 2001202201 is about 1260.1734457209.

Adding to 2001202201 its reverse (1022021002), we get a palindrome (3023223203).

The spelling of 2001202201 in words is "two billion, one million, two hundred two thousand, two hundred one".