141121221401 has 2 divisors, whose sum is σ = 141121221402. Its totient is φ = 141121221400.

The previous prime is 141121221379. The next prime is 141121221469. The reversal of 141121221401 is 104122121141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113854955776 + 27266265625 = 337424^2 + 165125^2 .

It is a cyclic number.

It is not a de Polignac number, because 141121221401 - 2¹⁰ = 141121220377 is a prime.

It is not a weakly prime, because it can be changed into another prime (141121221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70560610700 + 70560610701.

It is an arithmetic number, because the mean of its divisors is an integer number (70560610701).

Almost surely, 2^141121221401 is an apocalyptic number.

It is an amenable number.

141121221401 is a deficient number, since it is larger than the sum of its proper divisors (1).

141121221401 is an equidigital number, since it uses as much as digits as its factorization.

141121221401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 141121221401 its reverse (104122121141), we get a palindrome (245243342542).

The spelling of 141121221401 in words is "one hundred forty-one billion, one hundred twenty-one million, two hundred twenty-one thousand, four hundred one".