2211102222011 has 4 divisors (see below), whose sum is σ = 2217474274872. Its totient is φ = 2204730169152.

The previous prime is 2211102221989. The next prime is 2211102222019. The reversal of 2211102222011 is 1102222011122.

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 2211102222011 - 2²² = 2211098027707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211102222019) 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, 3186025910 + ... + 3186026603.

It is an arithmetic number, because the mean of its divisors is an integer number (554368568718).

Almost surely, 2^{2211102222011} is an apocalyptic number.

2211102222011 is a deficient number, since it is larger than the sum of its proper divisors (6372052861).

2211102222011 is an equidigital number, since it uses as much as digits as its factorization.

2211102222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372052860.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211102222011 its reverse (1102222011122), we get a palindrome (3313324233133).

The spelling of 2211102222011 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty-two thousand, eleven".