121323002113 has 8 divisors (see below), whose sum is σ = 125813428200. Its totient is φ = 116853034368.

The previous prime is 121323002107. The next prime is 121323002117. The reversal of 121323002113 is 311200323121.

It can be written as a sum of positive squares in 4 ways, for example, as 41360170384 + 79962831729 = 203372^2 + 282777^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121323002113 is a prime.

It is a super-2 number, since 2×121323002113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121323002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102506 + ... + 5126227.

It is an arithmetic number, because the mean of its divisors is an integer number (15726678525).

Almost surely, 2^121323002113 is an apocalyptic number.

It is an amenable number.

121323002113 is a deficient number, since it is larger than the sum of its proper divisors (4490426087).

121323002113 is a wasteful number, since it uses less digits than its factorization.

121323002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229171.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121323002113 its reverse (311200323121), we get a palindrome (432523325234).

The spelling of 121323002113 in words is "one hundred twenty-one billion, three hundred twenty-three million, two thousand, one hundred thirteen".