2002200122221 has 16 divisors (see below), whose sum is σ = 2252704809600. Its totient is φ = 1765675391040.

The previous prime is 2002200122183. The next prime is 2002200122233. The reversal of 2002200122221 is 1222210022002.

It is a cyclic number.

It is not a de Polignac number, because 2002200122221 - 2²⁵ = 2002166567789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002200122195 and 2002200122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002200122261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832671 + ... + 4323628.

It is an arithmetic number, because the mean of its divisors is an integer number (140794050600).

Almost surely, 2^{2002200122221} is an apocalyptic number.

It is an amenable number.

2002200122221 is a deficient number, since it is larger than the sum of its proper divisors (250504687379).

2002200122221 is a wasteful number, since it uses less digits than its factorization.

2002200122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157156.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002200122221 its reverse (1222210022002), we get a palindrome (3224410144223).

The spelling of 2002200122221 in words is "two trillion, two billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".