121103000001 has 12 divisors (see below), whose sum is σ = 175093007440. Its totient is φ = 80658509400.

The previous prime is 121102999981. The next prime is 121103000003. The reversal of 121103000001 is 100000301121.

It is not a de Polignac number, because 121103000001 - 2¹³ = 121102991809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121103000003) 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, 6392011 + ... + 6410928.

Almost surely, 2^121103000001 is an apocalyptic number.

It is an amenable number.

121103000001 is a deficient number, since it is larger than the sum of its proper divisors (53990007439).

121103000001 is a wasteful number, since it uses less digits than its factorization.

121103000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803996 (or 12803993 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 121103000001 its reverse (100000301121), we get a palindrome (221103301122).

The spelling of 121103000001 in words is "one hundred twenty-one billion, one hundred three million, one", and thus it is an aban number.