103111221100121 has 8 divisors (see below), whose sum is σ = 111094718470344. Its totient is φ = 95135133012480.

The previous prime is 103111221100081. The next prime is 103111221100169. The reversal of 103111221100121 is 121001122111301.

It can be written as a sum of positive squares in 4 ways, for example, as 53583336964096 + 49527884136025 = 7320064^2 + 7037605^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103111221100121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103111221100121.

It is not an unprimeable number, because it can be changed into a prime (103111221100171) 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, 1852291736 + ... + 1852347401.

It is an arithmetic number, because the mean of its divisors is an integer number (13886839808793).

Almost surely, 2^{103111221100121} is an apocalyptic number.

It is an amenable number.

103111221100121 is a deficient number, since it is larger than the sum of its proper divisors (7983497370223).

103111221100121 is a wasteful number, since it uses less digits than its factorization.

103111221100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704641291.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 103111221100121 its reverse (121001122111301), we get a palindrome (224112343211422).

The spelling of 103111221100121 in words is "one hundred three trillion, one hundred eleven billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-one".