2200121211111 has 16 divisors (see below), whose sum is σ = 3037441843200. Its totient is φ = 1414867089888.

The previous prime is 2200121211091. The next prime is 2200121211157. The reversal of 2200121211111 is 1111121210022.

It is a happy number.

It is not a de Polignac number, because 2200121211111 - 2¹⁷ = 2200121080039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200121211611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11537791 + ... + 11726928.

It is an arithmetic number, because the mean of its divisors is an integer number (189840115200).

Almost surely, 2^{2200121211111} is an apocalyptic number.

2200121211111 is a deficient number, since it is larger than the sum of its proper divisors (837320632089).

2200121211111 is a wasteful number, since it uses less digits than its factorization.

2200121211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23265838.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2200121211111 its reverse (1111121210022), we get a palindrome (3311242421133).

The spelling of 2200121211111 in words is "two trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, one hundred eleven".