2002200221121 has 32 divisors (see below), whose sum is σ = 2817045719040. Its totient is φ = 1262409629184.

The previous prime is 2002200221107. The next prime is 2002200221143. The reversal of 2002200221121 is 1211220022002.

It is not a de Polignac number, because 2002200221121 - 2¹¹ = 2002200219073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002200221121.

It is not an unprimeable number, because it can be changed into a prime (2002200221621) 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, 6973950 + ... + 7255368.

It is an arithmetic number, because the mean of its divisors is an integer number (88032678720).

Almost surely, 2^{2002200221121} is an apocalyptic number.

It is an amenable number.

2002200221121 is a deficient number, since it is larger than the sum of its proper divisors (814845497919).

2002200221121 is a wasteful number, since it uses less digits than its factorization.

2002200221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282605.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002200221121 its reverse (1211220022002), we get a palindrome (3213420243123).

The spelling of 2002200221121 in words is "two trillion, two billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-one".