2222111222011 has 4 divisors (see below), whose sum is σ = 2222117781624. Its totient is φ = 2222104662400.

The previous prime is 2222111221999. The next prime is 2222111222033. The reversal of 2222111222011 is 1102221112222.

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 2222111222011 - 2⁴¹ = 23087966459 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 2222111222011.

It is not an unprimeable number, because it can be changed into a prime (2222111222911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742310 + ... + 3458971.

It is an arithmetic number, because the mean of its divisors is an integer number (555529445406).

Almost surely, 2^{2222111222011} is an apocalyptic number.

2222111222011 is a deficient number, since it is larger than the sum of its proper divisors (6559613).

2222111222011 is an equidigital number, since it uses as much as digits as its factorization.

2222111222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559612.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2222111222011 its reverse (1102221112222), we get a palindrome (3324332334233).

The spelling of 2222111222011 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, eleven".