11222001111012 has 24 divisors (see below), whose sum is σ = 26186929415136. Its totient is φ = 3740344157568.

The previous prime is 11222001110933. The next prime is 11222001111049. The reversal of 11222001111012 is 21011110022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11222001110982 and 11222001111000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40215093 + ... + 40493180.

It is an arithmetic number, because the mean of its divisors is an integer number (1091122058964).

Almost surely, 2^{11222001111012} is an apocalyptic number.

11222001111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222001111012 is an abundant number, since it is smaller than the sum of its proper divisors (14964928304124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222001111012 is a wasteful number, since it uses less digits than its factorization.

11222001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80719867 (or 80719865 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11222001111012 its reverse (21011110022211), we get a palindrome (32233111133223).

The spelling of 11222001111012 in words is "eleven trillion, two hundred twenty-two billion, one million, one hundred eleven thousand, twelve".