2201111212111 has 8 divisors (see below), whose sum is σ = 2515565161760. Its totient is φ = 1886659635168.

The previous prime is 2201111212073. The next prime is 2201111212147. The reversal of 2201111212111 is 1112121111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201111212111 - 2¹⁵ = 2201111179343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201111222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405005 + ... + 3191593.

It is an arithmetic number, because the mean of its divisors is an integer number (314445645220).

Almost surely, 2^{2201111212111} is an apocalyptic number.

2201111212111 is a deficient number, since it is larger than the sum of its proper divisors (314453949649).

2201111212111 is an equidigital number, since it uses as much as digits as its factorization.

2201111212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186353.

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

Adding to 2201111212111 its reverse (1112121111022), we get a palindrome (3313232323133).

The spelling of 2201111212111 in words is "two trillion, two hundred one billion, one hundred eleven million, two hundred twelve thousand, one hundred eleven".