121224314401 has 2 divisors, whose sum is σ = 121224314402. Its totient is φ = 121224314400.

The previous prime is 121224314399. The next prime is 121224314411. The reversal of 121224314401 is 104413422121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66886373376 + 54337941025 = 258624^2 + 233105^2 .

It is a cyclic number.

It is not a de Polignac number, because 121224314401 - 2¹ = 121224314399 is a prime.

Together with 121224314399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121224314411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60612157200 + 60612157201.

It is an arithmetic number, because the mean of its divisors is an integer number (60612157201).

Almost surely, 2^121224314401 is an apocalyptic number.

It is an amenable number.

121224314401 is a deficient number, since it is larger than the sum of its proper divisors (1).

121224314401 is an equidigital number, since it uses as much as digits as its factorization.

121224314401 is an evil number, because the sum of its binary digits is even.

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

Adding to 121224314401 its reverse (104413422121), we get a palindrome (225637736522).

The spelling of 121224314401 in words is "one hundred twenty-one billion, two hundred twenty-four million, three hundred fourteen thousand, four hundred one".