103121034121 has 16 divisors (see below), whose sum is σ = 118168704000. Its totient is φ = 88152633360.

The previous prime is 103121034013. The next prime is 103121034127. The reversal of 103121034121 is 121430121301.

It is a cyclic number.

It is not a de Polignac number, because 103121034121 - 2²³ = 103112645513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103121034127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604066 + ... + 5622436.

It is an arithmetic number, because the mean of its divisors is an integer number (7385544000).

Almost surely, 2^103121034121 is an apocalyptic number.

It is an amenable number.

103121034121 is a deficient number, since it is larger than the sum of its proper divisors (15047669879).

103121034121 is a wasteful number, since it uses less digits than its factorization.

103121034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20484.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103121034121 its reverse (121430121301), we get a palindrome (224551155422).

The spelling of 103121034121 in words is "one hundred three billion, one hundred twenty-one million, thirty-four thousand, one hundred twenty-one".