11222121000100 has 18 divisors (see below), whose sum is σ = 24352002570434. Its totient is φ = 4488848400000.

The previous prime is 11222121000091. The next prime is 11222121000131. The reversal of 11222121000100 is 100012122211.

It can be written as a sum of positive squares in 3 ways, for example, as 47060360356 + 11175060639744 = 216934^2 + 3342912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56110604901 + ... + 56110605100.

Almost surely, 2^{11222121000100} is an apocalyptic number.

11222121000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222121000100 is an abundant number, since it is smaller than the sum of its proper divisors (13129881570334).

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

11222121000100 is a wasteful number, since it uses less digits than its factorization.

11222121000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112221210015 (or 112221210008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222121000100 its reverse (100012122211), we get a palindrome (11322133122311).

The spelling of 11222121000100 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred", and thus it is an aban number.