121311102320213 has 8 divisors (see below), whose sum is σ = 130743920578656. Its totient is φ = 111892740490800.

The previous prime is 121311102320147. The next prime is 121311102320237. The reversal of 121311102320213 is 312023201113121.

It is a happy number.

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 121311102320213 - 2¹⁶ = 121311102254677 is a prime.

It is a super-2 number, since 2×121311102320213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121311102320263) 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, 3614089823 + ... + 3614123388.

It is an arithmetic number, because the mean of its divisors is an integer number (16342990072332).

Almost surely, 2^{121311102320213} is an apocalyptic number.

121311102320213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121311102320213 is a deficient number, since it is larger than the sum of its proper divisors (9432818258443).

121311102320213 is a wasteful number, since it uses less digits than its factorization.

121311102320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228214515.

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

Adding to 121311102320213 its reverse (312023201113121), we get a palindrome (433334303433334).

The spelling of 121311102320213 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred two million, three hundred twenty thousand, two hundred thirteen".