11222222101012 has 48 divisors (see below), whose sum is σ = 22196686619520. Its totient is φ = 4925654414208.

The previous prime is 11222222101003. The next prime is 11222222101049. The reversal of 11222222101012 is 21010122222211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26911962 + ... + 27325777.

It is an arithmetic number, because the mean of its divisors is an integer number (462430971240).

Almost surely, 2^{11222222101012} is an apocalyptic number.

It is an amenable number.

11222222101012 is a deficient number, since it is larger than the sum of its proper divisors (10974464518508).

11222222101012 is a wasteful number, since it uses less digits than its factorization.

11222222101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54237952 (or 54237950 counting only the distinct ones).

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

Adding to 11222222101012 its reverse (21010122222211), we get a palindrome (32232344323223).

The spelling of 11222222101012 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, twelve".