11212121000104 has 16 divisors (see below), whose sum is σ = 21700879355520. Its totient is φ = 5425219838640.

The previous prime is 11212121000071. The next prime is 11212121000107. The reversal of 11212121000104 is 40100012121211.

It is not an unprimeable number, because it can be changed into a prime (11212121000107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22605082414 + ... + 22605082909.

It is an arithmetic number, because the mean of its divisors is an integer number (1356304959720).

Almost surely, 2^{11212121000104} is an apocalyptic number.

It is an amenable number.

11212121000104 is a deficient number, since it is larger than the sum of its proper divisors (10488758355416).

11212121000104 is a wasteful number, since it uses less digits than its factorization.

11212121000104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45210165360 (or 45210165356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212121000104 its reverse (40100012121211), we get a palindrome (51312133121315).

The spelling of 11212121000104 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, one hundred four", and thus it is an aban number.