2002001022201 has 32 divisors (see below), whose sum is σ = 2781029306880. Its totient is φ = 1280105092224.

The previous prime is 2002001022173. The next prime is 2002001022209. The reversal of 2002001022201 is 1022201002002.

It is not a de Polignac number, because 2002001022201 - 2⁶ = 2002001022137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002001022209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669390 + ... + 2605928.

It is an arithmetic number, because the mean of its divisors is an integer number (86907165840).

Almost surely, 2^{2002001022201} is an apocalyptic number.

It is an amenable number.

2002001022201 is a deficient number, since it is larger than the sum of its proper divisors (779028284679).

2002001022201 is a wasteful number, since it uses less digits than its factorization.

2002001022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936885.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2002001022201 its reverse (1022201002002), we get a palindrome (3024202024203).

The spelling of 2002001022201 in words is "two trillion, two billion, one million, twenty-two thousand, two hundred one".