103444121065 has 16 divisors (see below), whose sum is σ = 125370460800. Its totient is φ = 81930701952.

The previous prime is 103444121059. The next prime is 103444121071. The reversal of 103444121065 is 560121444301.

It is an interprime number because it is at equal distance from previous prime (103444121059) and next prime (103444121071).

It is a cyclic number.

It is not a de Polignac number, because 103444121065 - 2¹¹ = 103444119017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148981 + ... + 2196589.

It is an arithmetic number, because the mean of its divisors is an integer number (7835653800).

Almost surely, 2^103444121065 is an apocalyptic number.

It is an amenable number.

103444121065 is a deficient number, since it is larger than the sum of its proper divisors (21926339735).

103444121065 is a wasteful number, since it uses less digits than its factorization.

103444121065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51936.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 103444121065 its reverse (560121444301), we get a palindrome (663565565366).

The spelling of 103444121065 in words is "one hundred three billion, four hundred forty-four million, one hundred twenty-one thousand, sixty-five".