11222111011011 has 8 divisors (see below), whose sum is σ = 14968179631440. Its totient is φ = 7478724865632.

The previous prime is 11222111010983. The next prime is 11222111011037. The reversal of 11222111011011 is 11011011122211.

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

It is not a de Polignac number, because 11222111011011 - 2⁶ = 11222111010947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222111018011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670609000 + ... + 670625733.

It is an arithmetic number, because the mean of its divisors is an integer number (1871022453930).

Almost surely, 2^{11222111011011} is an apocalyptic number.

11222111011011 is a deficient number, since it is larger than the sum of its proper divisors (3746068620429).

11222111011011 is a wasteful number, since it uses less digits than its factorization.

11222111011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341237525.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11222111011011 its reverse (11011011122211), we get a palindrome (22233122133222).

The spelling of 11222111011011 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, eleven thousand, eleven".