121422401413 has 2 divisors, whose sum is σ = 121422401414. Its totient is φ = 121422401412.

The previous prime is 121422401393. The next prime is 121422401423. The reversal of 121422401413 is 314104224121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76741742529 + 44680658884 = 277023^2 + 211378^2 .

It is a cyclic number.

It is not a de Polignac number, because 121422401413 - 2¹³ = 121422393221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121422401423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60711200706 + 60711200707.

It is an arithmetic number, because the mean of its divisors is an integer number (60711200707).

Almost surely, 2^121422401413 is an apocalyptic number.

It is an amenable number.

121422401413 is a deficient number, since it is larger than the sum of its proper divisors (1).

121422401413 is an equidigital number, since it uses as much as digits as its factorization.

121422401413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 121422401413 its reverse (314104224121), we get a palindrome (435526625534).

The spelling of 121422401413 in words is "one hundred twenty-one billion, four hundred twenty-two million, four hundred one thousand, four hundred thirteen".