103121400443044 has 24 divisors (see below), whose sum is σ = 185708963518848. Its totient is φ = 50078445225120.

The previous prime is 103121400443023. The next prime is 103121400443059. The reversal of 103121400443044 is 440344004121301.

It is a junction number, because it is equal to n+sod(n) for n = 103121400442997 and 103121400443015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093555859 + ... + 2093605114.

It is an arithmetic number, because the mean of its divisors is an integer number (7737873479952).

Almost surely, 2^{103121400443044} is an apocalyptic number.

It is an amenable number.

103121400443044 is a deficient number, since it is larger than the sum of its proper divisors (82587563075804).

103121400443044 is a wasteful number, since it uses less digits than its factorization.

103121400443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187161155 (or 4187161153 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 103121400443044 its reverse (440344004121301), we get a palindrome (543465404564345).

The spelling of 103121400443044 in words is "one hundred three trillion, one hundred twenty-one billion, four hundred million, four hundred forty-three thousand, forty-four".