121013332323013 has 4 divisors (see below), whose sum is σ = 130322050194028. Its totient is φ = 111704614452000.

The previous prime is 121013332322957. The next prime is 121013332323019. The reversal of 121013332323013 is 310323233310121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47762722679364 + 73250609643649 = 6911058^2 + 8558657^2 .

It is a cyclic number.

It is not a de Polignac number, because 121013332323013 - 2²¹ = 121013330225861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013332323019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4654358935488 + ... + 4654358935513.

It is an arithmetic number, because the mean of its divisors is an integer number (32580512548507).

Almost surely, 2^{121013332323013} is an apocalyptic number.

121013332323013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121013332323013 is a deficient number, since it is larger than the sum of its proper divisors (9308717871015).

121013332323013 is an equidigital number, since it uses as much as digits as its factorization.

121013332323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308717871014.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 121013332323013 its reverse (310323233310121), we get a palindrome (431336565633134).

The spelling of 121013332323013 in words is "one hundred twenty-one trillion, thirteen billion, three hundred thirty-two million, three hundred twenty-three thousand, thirteen".