103420312121 has 8 divisors (see below), whose sum is σ = 118253667264. Its totient is φ = 88601713200.

The previous prime is 103420312109. The next prime is 103420312129. The reversal of 103420312121 is 121213024301.

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

It is not a de Polignac number, because 103420312121 - 2²⁶ = 103353203257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103420312093 and 103420312102.

It is not an unprimeable number, because it can be changed into a prime (103420312129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674030 + ... + 3702071.

It is an arithmetic number, because the mean of its divisors is an integer number (14781708408).

Almost surely, 2^103420312121 is an apocalyptic number.

It is an amenable number.

103420312121 is a deficient number, since it is larger than the sum of its proper divisors (14833355143).

103420312121 is an equidigital number, since it uses as much as digits as its factorization.

103420312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378111.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103420312121 its reverse (121213024301), we get a palindrome (224633336422).

The spelling of 103420312121 in words is "one hundred three billion, four hundred twenty million, three hundred twelve thousand, one hundred twenty-one".