141471121021 has 2 divisors, whose sum is σ = 141471121022. Its totient is φ = 141471121020.

The previous prime is 141471120983. The next prime is 141471121087. The reversal of 141471121021 is 120121174141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139640479225 + 1830641796 = 373685^2 + 42786^2 .

It is a cyclic number.

It is not a de Polignac number, because 141471121021 - 2¹⁷ = 141470989949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141471125021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70735560510 + 70735560511.

It is an arithmetic number, because the mean of its divisors is an integer number (70735560511).

Almost surely, 2^141471121021 is an apocalyptic number.

It is an amenable number.

141471121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141471121021 is an equidigital number, since it uses as much as digits as its factorization.

141471121021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 141471121021 its reverse (120121174141), we get a palindrome (261592295162).

The spelling of 141471121021 in words is "one hundred forty-one billion, four hundred seventy-one million, one hundred twenty-one thousand, twenty-one".