1222111200011 has 24 divisors (see below), whose sum is σ = 1349178075936. Its totient is φ = 1106113382400.

The previous prime is 1222111200007. The next prime is 1222111200043. The reversal of 1222111200011 is 1100021112221.

It is not a de Polignac number, because 1222111200011 - 2² = 1222111200007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222111200061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14297546 + ... + 14382768.

It is an arithmetic number, because the mean of its divisors is an integer number (56215753164).

Almost surely, 2^{1222111200011} is an apocalyptic number.

1222111200011 is a deficient number, since it is larger than the sum of its proper divisors (127066875925).

1222111200011 is a wasteful number, since it uses less digits than its factorization.

1222111200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86903 (or 86890 counting only the distinct ones).

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

Adding to 1222111200011 its reverse (1100021112221), we get a palindrome (2322132312232).

The spelling of 1222111200011 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, two hundred thousand, eleven".