2211111111122 has 4 divisors (see below), whose sum is σ = 3316666666686. Its totient is φ = 1105555555560.

The previous prime is 2211111111101. The next prime is 2211111111179.

2211111111122 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 1346804349361 + 864306761761 = 1160519^2 + 929681^2 .

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2211111111122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552777777779 + ... + 552777777782.

Almost surely, 2^{2211111111122} is an apocalyptic number.

2211111111122 is a deficient number, since it is larger than the sum of its proper divisors (1105555555564).

2211111111122 is a wasteful number, since it uses less digits than its factorization.

2211111111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105555555563.

The product of its digits is 16, while the sum is 17.

The spelling of 2211111111122 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".