1200002200211 has 4 divisors (see below), whose sum is σ = 1200361163232. Its totient is φ = 1199643237192.

The previous prime is 1200002200181. The next prime is 1200002200217. The reversal of 1200002200211 is 1120022000021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200002200211 - 2¹⁸ = 1200001938067 is a prime.

It is a super-2 number, since 2×1200002200211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200002200192 and 1200002200201.

It is not an unprimeable number, because it can be changed into a prime (1200002200217) 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, 179476496 + ... + 179483181.

It is an arithmetic number, because the mean of its divisors is an integer number (300090290808).

Almost surely, 2^{1200002200211} is an apocalyptic number.

1200002200211 is a deficient number, since it is larger than the sum of its proper divisors (358963021).

1200002200211 is an equidigital number, since it uses as much as digits as its factorization.

1200002200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358963020.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200002200211 its reverse (1120022000021), we get a palindrome (2320024200232).

The spelling of 1200002200211 in words is "one trillion, two hundred billion, two million, two hundred thousand, two hundred eleven".