1222011110011 has 4 divisors (see below), whose sum is σ = 1223135316352. Its totient is φ = 1220886903672.

The previous prime is 1222011109951. The next prime is 1222011110029. The reversal of 1222011110011 is 1100111102221.

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 1222011110011 - 2⁹ = 1222011109499 is a prime.

It is a super-2 number, since 2×1222011110011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222011109973 and 1222011110000.

It is not an unprimeable number, because it can be changed into a prime (1222011110071) 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, 562101540 + ... + 562103713.

It is an arithmetic number, because the mean of its divisors is an integer number (305783829088).

Almost surely, 2^{1222011110011} is an apocalyptic number.

1222011110011 is a deficient number, since it is larger than the sum of its proper divisors (1124206341).

1222011110011 is a wasteful number, since it uses less digits than its factorization.

1222011110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124206340.

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

Adding to 1222011110011 its reverse (1100111102221), we get a palindrome (2322122212232).

The spelling of 1222011110011 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred ten thousand, eleven".