103121212112101 has 8 divisors (see below), whose sum is σ = 109287245680704. Its totient is φ = 96966298534080.

The previous prime is 103121212112077. The next prime is 103121212112143. The reversal of 103121212112101 is 101211212121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103121212112101 - 2¹⁹ = 103121211587813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121212112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779978545 + ... + 2780015638.

It is an arithmetic number, because the mean of its divisors is an integer number (13660905710088).

Almost surely, 2^{103121212112101} is an apocalyptic number.

It is an amenable number.

103121212112101 is a deficient number, since it is larger than the sum of its proper divisors (6166033568603).

103121212112101 is a wasteful number, since it uses less digits than its factorization.

103121212112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559995291.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 103121212112101 its reverse (101211212121301), we get a palindrome (204332424233402).

The spelling of 103121212112101 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred twelve million, one hundred twelve thousand, one hundred one".