2201202220111 has 6 divisors (see below), whose sum is σ = 2212319162112. Its totient is φ = 2190140863020.

The previous prime is 2201202220081. The next prime is 2201202220159. The reversal of 2201202220111 is 1110222021022.

It is a happy number.

It is not a de Polignac number, because 2201202220111 - 2¹⁵ = 2201202187343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201202220181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27752655 + ... + 27831856.

It is an arithmetic number, because the mean of its divisors is an integer number (368719860352).

Almost surely, 2^{2201202220111} is an apocalyptic number.

2201202220111 is a deficient number, since it is larger than the sum of its proper divisors (11116942001).

2201202220111 is an frugal number, since it uses more digits than its factorization.

2201202220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55584909 (or 55584710 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201202220111 its reverse (1110222021022), we get a palindrome (3311424241133).

The spelling of 2201202220111 in words is "two trillion, two hundred one billion, two hundred two million, two hundred twenty thousand, one hundred eleven".