141172126021 has 2 divisors, whose sum is σ = 141172126022. Its totient is φ = 141172126020.

The previous prime is 141172126009. The next prime is 141172126031. The reversal of 141172126021 is 120621271141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124457256225 + 16714869796 = 352785^2 + 129286^2 .

It is a cyclic number.

It is not a de Polignac number, because 141172126021 - 2⁵ = 141172125989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141172126031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70586063010 + 70586063011.

It is an arithmetic number, because the mean of its divisors is an integer number (70586063011).

Almost surely, 2^141172126021 is an apocalyptic number.

It is an amenable number.

141172126021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141172126021 is an equidigital number, since it uses as much as digits as its factorization.

141172126021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 141172126021 its reverse (120621271141), we get a palindrome (261793397162).

The spelling of 141172126021 in words is "one hundred forty-one billion, one hundred seventy-two million, one hundred twenty-six thousand, twenty-one".