103121000001 has 48 divisors (see below), whose sum is σ = 156452894208. Its totient is φ = 65368512000.

The previous prime is 103120999987. The next prime is 103121000029. The reversal of 103121000001 is 100000121301.

It is not a de Polignac number, because 103121000001 - 2⁶ = 103120999937 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (103121000071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7489015 + ... + 7502771.

It is an arithmetic number, because the mean of its divisors is an integer number (3259435296).

Almost surely, 2^103121000001 is an apocalyptic number.

It is an amenable number.

103121000001 is a deficient number, since it is larger than the sum of its proper divisors (53331894207).

103121000001 is a wasteful number, since it uses less digits than its factorization.

103121000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262 (or 14259 counting only the distinct ones).

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

Adding to 103121000001 its reverse (100000121301), we get a palindrome (203121121302).

The spelling of 103121000001 in words is "one hundred three billion, one hundred twenty-one million, one", and thus it is an aban number.