1222111110011 has 16 divisors (see below), whose sum is σ = 1403450876160. Its totient is φ = 1052483611680.

The previous prime is 1222111109971. The next prime is 1222111110029. The reversal of 1222111110011 is 1100111112221.

It is a cyclic number.

It is not a de Polignac number, because 1222111110011 - 2¹⁴ = 1222111093627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222111110061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414985 + ... + 4683621.

It is an arithmetic number, because the mean of its divisors is an integer number (87715679760).

Almost surely, 2^{1222111110011} is an apocalyptic number.

1222111110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222111110011 is a deficient number, since it is larger than the sum of its proper divisors (181339766149).

1222111110011 is a wasteful number, since it uses less digits than its factorization.

1222111110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290434.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1222111110011 its reverse (1100111112221), we get a palindrome (2322222222232).

The spelling of 1222111110011 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, eleven".