121114341213 has 4 divisors (see below), whose sum is σ = 161485788288. Its totient is φ = 80742894140.

The previous prime is 121114341211. The next prime is 121114341263. The reversal of 121114341213 is 312143411121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312143411121 = 3 ⋅104047803707.

It is a cyclic number.

It is not a de Polignac number, because 121114341213 - 2¹ = 121114341211 is a prime.

It is a super-2 number, since 2×121114341213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121114341211) 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, 20185723533 + ... + 20185723538.

It is an arithmetic number, because the mean of its divisors is an integer number (40371447072).

Almost surely, 2^121114341213 is an apocalyptic number.

It is an amenable number.

121114341213 is a deficient number, since it is larger than the sum of its proper divisors (40371447075).

121114341213 is an equidigital number, since it uses as much as digits as its factorization.

121114341213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40371447074.

The product of its digits is 576, while the sum is 24.

Adding to 121114341213 its reverse (312143411121), we get a palindrome (433257752334).

The spelling of 121114341213 in words is "one hundred twenty-one billion, one hundred fourteen million, three hundred forty-one thousand, two hundred thirteen".