121314424141 has 4 divisors (see below), whose sum is σ = 121315135932. Its totient is φ = 121313712352.

The previous prime is 121314424093. The next prime is 121314424157. The reversal of 121314424141 is 141424413121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 56202184900 + 65112239241 = 237070^2 + 255171^2 .

It is a cyclic number.

It is not a de Polignac number, because 121314424141 - 2¹⁹ = 121313899853 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 (121314424181) 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, 68265 + ... + 497281.

It is an arithmetic number, because the mean of its divisors is an integer number (30328783983).

Almost surely, 2^121314424141 is an apocalyptic number.

It is an amenable number.

121314424141 is a deficient number, since it is larger than the sum of its proper divisors (711791).

121314424141 is an equidigital number, since it uses as much as digits as its factorization.

121314424141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711790.

The product of its digits is 3072, while the sum is 28.

Adding to 121314424141 its reverse (141424413121), we get a palindrome (262738837262).

The spelling of 121314424141 in words is "one hundred twenty-one billion, three hundred fourteen million, four hundred twenty-four thousand, one hundred forty-one".