11222122001100 has 72 divisors (see below), whose sum is σ = 32634158811408. Its totient is φ = 2977375161600.

The previous prime is 11222122001029. The next prime is 11222122001131. The reversal of 11222122001100 is 110022122211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11222122001100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94882711 + ... + 95000910.

It is an arithmetic number, because the mean of its divisors is an integer number (453252205714).

Almost surely, 2^{11222122001100} is an apocalyptic number.

11222122001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222122001100 is an abundant number, since it is smaller than the sum of its proper divisors (21412036810308).

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

11222122001100 is a wasteful number, since it uses less digits than its factorization.

11222122001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189883835 (or 189883828 counting only the distinct ones).

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

Adding to 11222122001100 its reverse (110022122211), we get a palindrome (11332144123311).

The spelling of 11222122001100 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, one thousand, one hundred".