2201311211111 has 8 divisors (see below), whose sum is σ = 2222643628800. Its totient is φ = 2179992856888.

The previous prime is 2201311211087. The next prime is 2201311211119. The reversal of 2201311211111 is 1111121131022.

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

It is a cyclic number.

It is not a de Polignac number, because 2201311211111 - 2³⁸ = 1926433304167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201311211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201311211119) 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, 3201161 + ... + 3827538.

It is an arithmetic number, because the mean of its divisors is an integer number (277830453600).

Almost surely, 2^{2201311211111} is an apocalyptic number.

2201311211111 is a deficient number, since it is larger than the sum of its proper divisors (21332417689).

2201311211111 is a wasteful number, since it uses less digits than its factorization.

2201311211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031733.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 2201311211111 its reverse (1111121131022), we get a palindrome (3312432342133).

The spelling of 2201311211111 in words is "two trillion, two hundred one billion, three hundred eleven million, two hundred eleven thousand, one hundred eleven".