1222110101011 has 4 divisors (see below), whose sum is σ = 1228251358000. Its totient is φ = 1215968844024.

The previous prime is 1222110100979. The next prime is 1222110101077. The reversal of 1222110101011 is 1101010112221.

It is a happy number.

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 1222110101011 - 2⁵ = 1222110100979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222110100982 and 1222110101000.

It is not an unprimeable number, because it can be changed into a prime (1222110101711) 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, 3070628196 + ... + 3070628593.

It is an arithmetic number, because the mean of its divisors is an integer number (307062839500).

Almost surely, 2^{1222110101011} is an apocalyptic number.

1222110101011 is a deficient number, since it is larger than the sum of its proper divisors (6141256989).

1222110101011 is an equidigital number, since it uses as much as digits as its factorization.

1222110101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141256988.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1222110101011 its reverse (1101010112221), we get a palindrome (2323120213232).

The spelling of 1222110101011 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred one thousand, eleven".