2211111000122 has 8 divisors (see below), whose sum is σ = 3379245113556. Its totient is φ = 1084695962272.

The previous prime is 2211111000113. The next prime is 2211111000127. The reversal of 2211111000122 is 2210001111122.

It can be written as a sum of positive squares in 2 ways, for example, as 2155843221841 + 55267778281 = 1468279^2 + 235091^2 .

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

It is a super-2 number, since 2×2211111000122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211111000097 and 2211111000106.

It is not an unprimeable number, because it can be changed into a prime (2211111000127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10429768763 + ... + 10429768974.

Almost surely, 2^{2211111000122} is an apocalyptic number.

2211111000122 is a deficient number, since it is larger than the sum of its proper divisors (1168134113434).

2211111000122 is a wasteful number, since it uses less digits than its factorization.

2211111000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20859537792.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2211111000122 its reverse (2210001111122), we get a palindrome (4421112111244).

It can be divided in two parts, 2211111000 and 122, that added together give a palindrome (2211111122).

The spelling of 2211111000122 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-two", and thus it is an aban number.