121303342443131 has 4 divisors (see below), whose sum is σ = 121308070353672. Its totient is φ = 121298614532592.

The previous prime is 121303342443109. The next prime is 121303342443181. The reversal of 121303342443131 is 131344243303121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121303342443131 is a prime.

It is a super-2 number, since 2×121303342443131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121303342443091 and 121303342443100.

It is not an unprimeable number, because it can be changed into a prime (121303342443181) 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, 2363916785 + ... + 2363968098.

It is an arithmetic number, because the mean of its divisors is an integer number (30327017588418).

Almost surely, 2^{121303342443131} is an apocalyptic number.

121303342443131 is a deficient number, since it is larger than the sum of its proper divisors (4727910541).

121303342443131 is an equidigital number, since it uses as much as digits as its factorization.

121303342443131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727910540.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 121303342443131 its reverse (131344243303121), we get a palindrome (252647585746252).

The spelling of 121303342443131 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred forty-two million, four hundred forty-three thousand, one hundred thirty-one".