11222211000012 has 48 divisors (see below), whose sum is σ = 27031108134912. Its totient is φ = 3619898432640.

The previous prime is 11222210999983. The next prime is 11222211000019. The reversal of 11222211000012 is 21000011222211.

It is a junction number, because it is equal to n+sod(n) for n = 11222210999955 and 11222211000000.

It is not an unprimeable number, because it can be changed into a prime (11222211000019) 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, 7366393 + ... + 8758319.

It is an arithmetic number, because the mean of its divisors is an integer number (563148086144).

Almost surely, 2^{11222211000012} is an apocalyptic number.

11222211000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222211000012 is an abundant number, since it is smaller than the sum of its proper divisors (15808897134900).

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

11222211000012 is a wasteful number, since it uses less digits than its factorization.

11222211000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413638 (or 1413636 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222211000012 its reverse (21000011222211), we get a palindrome (32222222222223).

The spelling of 11222211000012 in words is "eleven trillion, two hundred twenty-two billion, two hundred eleven million, twelve", and thus it is an aban number.