103103221433421 has 32 divisors (see below), whose sum is σ = 150609951590400. Its totient is φ = 62219504372480.

The previous prime is 103103221433413. The next prime is 103103221433491. The reversal of 103103221433421 is 124334122301301.

It is a cyclic number.

It is not a de Polignac number, because 103103221433421 - 2³ = 103103221433413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103103221433491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84089845 + ... + 85307141.

It is an arithmetic number, because the mean of its divisors is an integer number (4706560987200).

Almost surely, 2^{103103221433421} is an apocalyptic number.

103103221433421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103103221433421 is a deficient number, since it is larger than the sum of its proper divisors (47506730156979).

103103221433421 is a wasteful number, since it uses less digits than its factorization.

103103221433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228289.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 103103221433421 its reverse (124334122301301), we get a palindrome (227437343734722).

The spelling of 103103221433421 in words is "one hundred three trillion, one hundred three billion, two hundred twenty-one million, four hundred thirty-three thousand, four hundred twenty-one".