141123202021 has 2 divisors, whose sum is σ = 141123202022. Its totient is φ = 141123202020.

The previous prime is 141123202013. The next prime is 141123202027. The reversal of 141123202021 is 120202321141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80057873025 + 61065328996 = 282945^2 + 247114^2 .

It is a cyclic number.

It is not a de Polignac number, because 141123202021 - 2³ = 141123202013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141123202021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141123202027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70561601010 + 70561601011.

It is an arithmetic number, because the mean of its divisors is an integer number (70561601011).

Almost surely, 2^141123202021 is an apocalyptic number.

It is an amenable number.

141123202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

141123202021 is an equidigital number, since it uses as much as digits as its factorization.

141123202021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 141123202021 its reverse (120202321141), we get a palindrome (261325523162).

The spelling of 141123202021 in words is "one hundred forty-one billion, one hundred twenty-three million, two hundred two thousand, twenty-one".