11222012011 has 8 divisors (see below), whose sum is σ = 13098032640. Its totient is φ = 9414210408.

The previous prime is 11222012003. The next prime is 11222012017. The reversal of 11222012011 is 11021022211.

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

It is a cyclic number.

It is not a de Polignac number, because 11222012011 - 2³ = 11222012003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222011982 and 11222012000.

It is not an unprimeable number, because it can be changed into a prime (11222012017) 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, 17054401 + ... + 17055058.

It is an arithmetic number, because the mean of its divisors is an integer number (1637254080).

Almost surely, 2^11222012011 is an apocalyptic number.

11222012011 is a deficient number, since it is larger than the sum of its proper divisors (1876020629).

11222012011 is an equidigital number, since it uses as much as digits as its factorization.

11222012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34109513.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222012011 its reverse (11021022211), we get a palindrome (22243034222).

The spelling of 11222012011 in words is "eleven billion, two hundred twenty-two million, twelve thousand, eleven".