11222010012 has 24 divisors (see below), whose sum is σ = 27724966416. Its totient is φ = 3520630528.

The previous prime is 11222009987. The next prime is 11222010043. The reversal of 11222010012 is 21001022211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11222010012.

It is a congruent number.

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, 27504723 + ... + 27505130.

It is an arithmetic number, because the mean of its divisors is an integer number (1155206934).

Almost surely, 2^11222010012 is an apocalyptic number.

11222010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222010012 is an abundant number, since it is smaller than the sum of its proper divisors (16502956404).

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

11222010012 is a wasteful number, since it uses less digits than its factorization.

11222010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55009877 (or 55009875 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11222010012 its reverse (21001022211), we get a palindrome (32223032223).

The spelling of 11222010012 in words is "eleven billion, two hundred twenty-two million, ten thousand, twelve".