11222011205 has 16 divisors (see below), whose sum is σ = 13587297024. Its totient is φ = 8897299200.

The previous prime is 11222011201. The next prime is 11222011277. The reversal of 11222011205 is 50211022211.

It is not a de Polignac number, because 11222011205 - 2² = 11222011201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222011201) 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, 309752 + ... + 344078.

It is an arithmetic number, because the mean of its divisors is an integer number (849206064).

Almost surely, 2^11222011205 is an apocalyptic number.

It is an amenable number.

11222011205 is a deficient number, since it is larger than the sum of its proper divisors (2365285819).

11222011205 is a wasteful number, since it uses less digits than its factorization.

11222011205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34916.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11222011205 its reverse (50211022211), we get a palindrome (61433033416).

The spelling of 11222011205 in words is "eleven billion, two hundred twenty-two million, eleven thousand, two hundred five".