11222222010012 has 36 divisors (see below), whose sum is σ = 30549382139640. Its totient is φ = 3452991387552.

The previous prime is 11222222009927. The next prime is 11222222010019. The reversal of 11222222010012 is 21001022222211.

It is a happy number.

11222222010012 is a `hidden beast` number, since 112 + 222 + 220 + 100 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222222010019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11989552962 + ... + 11989553897.

Almost surely, 2^{11222222010012} is an apocalyptic number.

11222222010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222222010012 is an abundant number, since it is smaller than the sum of its proper divisors (19327160129628).

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

11222222010012 is a wasteful number, since it uses less digits than its factorization.

11222222010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23979106882 (or 23979106877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222222010012 its reverse (21001022222211), we get a palindrome (32223244232223).

The spelling of 11222222010012 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, ten thousand, twelve".