11222101022212 has 12 divisors (see below), whose sum is σ = 19720165075996. Its totient is φ = 5587768143360.

The previous prime is 11222101022203. The next prime is 11222101022213. The reversal of 11222101022212 is 21222010122211.

It can be written as a sum of positive squares in 2 ways, for example, as 9117645967936 + 2104455054276 = 3019544^2 + 1450674^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11222101022212.

It is not an unprimeable number, because it can be changed into a prime (11222101022213) 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, 5820590853 + ... + 5820592780.

Almost surely, 2^{11222101022212} is an apocalyptic number.

It is an amenable number.

11222101022212 is a deficient number, since it is larger than the sum of its proper divisors (8498064053784).

11222101022212 is a wasteful number, since it uses less digits than its factorization.

11222101022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641183878 (or 11641183876 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222101022212 its reverse (21222010122211), we get a palindrome (32444111144423).

Subtracting 11222101022212 from its reverse (21222010122211), we obtain a palindrome (9999909099999).

The spelling of 11222101022212 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, twenty-two thousand, two hundred twelve".