11222011011 has 4 divisors (see below), whose sum is σ = 14962681352. Its totient is φ = 7481340672.

The previous prime is 11222010971. The next prime is 11222011027. The reversal of 11222011011 is 11011022211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11222011011 - 2¹⁰ = 11222009987 is a prime.

It is a super-2 number, since 2×11222011011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222011091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870335166 + ... + 1870335171.

It is an arithmetic number, because the mean of its divisors is an integer number (3740670338).

Almost surely, 2^11222011011 is an apocalyptic number.

11222011011 is a deficient number, since it is larger than the sum of its proper divisors (3740670341).

11222011011 is an equidigital number, since it uses as much as digits as its factorization.

11222011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740670340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11222011011 its reverse (11011022211), we get a palindrome (22233033222).

The spelling of 11222011011 in words is "eleven billion, two hundred twenty-two million, eleven thousand, eleven".