13101321122123 has 16 divisors (see below), whose sum is σ = 14438433350880. Its totient is φ = 11811301092864.

The previous prime is 13101321122083. The next prime is 13101321122147. The reversal of 13101321122123 is 32122112310131.

It is a happy number.

It is not a de Polignac number, because 13101321122123 - 2¹² = 13101321118027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101321112123) 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, 5803733 + ... + 7738601.

It is an arithmetic number, because the mean of its divisors is an integer number (902402084430).

Almost surely, 2^{13101321122123} is an apocalyptic number.

13101321122123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13101321122123 is a deficient number, since it is larger than the sum of its proper divisors (1337112228757).

13101321122123 is a wasteful number, since it uses less digits than its factorization.

13101321122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947038.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13101321122123 its reverse (32122112310131), we get a palindrome (45223433432254).

The spelling of 13101321122123 in words is "thirteen trillion, one hundred one billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-three".