2200011121221 has 16 divisors (see below), whose sum is σ = 3048924575424. Its totient is φ = 1409841051264.

The previous prime is 2200011121213. The next prime is 2200011121279. The reversal of 2200011121221 is 1221211100022.

It is not a de Polignac number, because 2200011121221 - 2³ = 2200011121213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2200011121221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200011129221) 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, 119387896 + ... + 119406321.

It is an arithmetic number, because the mean of its divisors is an integer number (190557785964).

Almost surely, 2^{2200011121221} is an apocalyptic number.

It is an amenable number.

2200011121221 is a deficient number, since it is larger than the sum of its proper divisors (848913454203).

2200011121221 is a wasteful number, since it uses less digits than its factorization.

2200011121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238794340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2200011121221 its reverse (1221211100022), we get a palindrome (3421222221243).

It can be divided in two parts, 2200011 and 121221, that added together give a palindrome (2321232).

The spelling of 2200011121221 in words is "two trillion, two hundred billion, eleven million, one hundred twenty-one thousand, two hundred twenty-one".