13103100123121 has 8 divisors (see below), whose sum is σ = 13508182765224. Its totient is φ = 12702088663680.

The previous prime is 13103100123103. The next prime is 13103100123131. The reversal of 13103100123121 is 12132100130131.

It can be written as a sum of positive squares in 4 ways, for example, as 155481164721 + 12947618958400 = 394311^2 + 3598280^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13103100123121 - 2³⁵ = 13068740384753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103100123131) 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, 1017789130 + ... + 1017802003.

It is an arithmetic number, because the mean of its divisors is an integer number (1688522845653).

Almost surely, 2^{13103100123121} is an apocalyptic number.

It is an amenable number.

13103100123121 is a deficient number, since it is larger than the sum of its proper divisors (405082642103).

13103100123121 is a wasteful number, since it uses less digits than its factorization.

13103100123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035591331.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13103100123121 its reverse (12132100130131), we get a palindrome (25235200253252).

The spelling of 13103100123121 in words is "thirteen trillion, one hundred three billion, one hundred million, one hundred twenty-three thousand, one hundred twenty-one".