2211222013111 has 4 divisors (see below), whose sum is σ = 2211253496032. Its totient is φ = 2211190530192.

The previous prime is 2211222013097. The next prime is 2211222013153. The reversal of 2211222013111 is 1113102221122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2211222013111 - 2⁵ = 2211222013079 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 (2211222013211) 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 3 ways as a sum of consecutive naturals, for example, 15635871 + ... + 15776656.

It is an arithmetic number, because the mean of its divisors is an integer number (552813374008).

Almost surely, 2^{2211222013111} is an apocalyptic number.

2211222013111 is a deficient number, since it is larger than the sum of its proper divisors (31482921).

2211222013111 is an equidigital number, since it uses as much as digits as its factorization.

2211222013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31482920.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2211222013111 its reverse (1113102221122), we get a palindrome (3324324234233).

The spelling of 2211222013111 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, thirteen thousand, one hundred eleven".